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Speaker 1: Attention, Chicago and Toronto. We're coming to see you guys soon,

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Speaker 1: so we better hurry up and buy your tickets because

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Speaker 1: they're going fast. Yeah, man, Chicago at the Hairs Theater July.

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Speaker 1: We've actually sold a lot of tickets now, yeah, you

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Speaker 1: guys listen, thank you, thanks for stepping up. In Toronto

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Speaker 1: at the Danforth Music Hall the next night, July. It

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Speaker 1: may be sold out by now. Yeah. Well, there's only

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Speaker 1: one way to find out. Go on to s y

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Speaker 1: s K live dot com and you'll find links to

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Speaker 1: the ticket sites and all the show info you need,

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Speaker 1: and we will see you soon. Welcome to Stuff You

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Speaker 1: Should Know, a production of I Heart Radios How Stuff Works. Hey,

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Speaker 1: and welcome to the podcast. I'm Josh Clark, and there's

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Speaker 1: Charles w Chuck Bryant, there's Jerry over there, and this

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Speaker 1: is Earth Science Time. Baby. I love this stuff. Yeah,

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Speaker 1: this one was a little well, it's about dry. I

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Speaker 1: just caught myself at the last second. Thank you. It

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Speaker 1: was a little dry though, Uh it was, But I

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Speaker 1: mean we're talking sand dudes. There's just so much you

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Speaker 1: can do with something, do you know what I mean? Yeah,

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Speaker 1: But it's also one of those is kind of neat,

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Speaker 1: and that when next time I go to the beach

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Speaker 1: or the desert, I will I'm armed with a little

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Speaker 1: more knowledge, which is always nice. Are you gonna go

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Speaker 1: do some sandboarding? I don't think so, although I did

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Speaker 1: look at some videos. It sounds pretty awesome to me.

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Speaker 1: It looks like a great way for a forty eight

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Speaker 1: year old to break his knee. Did you, oh man,

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Speaker 1: breaking your knee? Can you imagine? No? Did you, um

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Speaker 1: listen to the sound of dunes singing? Uh? Yeah, and

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Speaker 1: I've heard that sound like in person? What kind of

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Speaker 1: life have you lived? I mean a life wire been

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Speaker 1: around some sand dunes? Wow, that's neat. I think I

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Speaker 1: heard the dune singing on a TV commercial shoot out

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Speaker 1: in the desert. That's where I heard it. Well, what

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Speaker 1: were they singing? Do you remember they were singing? Uh?

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Speaker 1: Fresh friends? No, No, these were not European dunes. So

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Speaker 1: you've been, um nice, you've been around dunes that were

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Speaker 1: not beach dunes, because my only experience has been just

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Speaker 1: beach dunes. Standards, stay off the dunes, beach dunes. These

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Speaker 1: are desert dunes. That's pretty neat. Yeah, it looked like

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Speaker 1: in fact, I believe they had even done some Star

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Speaker 1: Wars reshoots in this area of California. Wow, it wasn't Tunisia,

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Speaker 1: but it stood in for Tunisia. So I was told,

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Speaker 1: just like those hills stood in for Korea and mash

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Speaker 1: that's right. But this is a Michael bay Chevy commercial, okay.

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Speaker 1: And I got to stand around and watch him scream

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Speaker 1: at everybody that's neat man, what a good guy? Um Like,

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Speaker 1: I said, I've only been around dunes on the beach,

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Speaker 1: coastal dunes, right, coastal dunes. But I was talking to

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Speaker 1: you me, and I guess these would constitute coastal dunes.

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Speaker 1: But she said she taught in Japan, you know, um

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Speaker 1: years and years ago, and a prefecture called to Tori,

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Speaker 1: which is the least populated prefecture in Japan, and they

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Speaker 1: actually had some amazingly beautiful dunes which look like desert dunes,

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Speaker 1: but it's coastal. So I guess they're coastal dunes. But

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Speaker 1: they don't look like coastal dunes. They look like desert

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Speaker 1: dunes in South Carolina. No, it's definitely not. And I

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Speaker 1: was like dunes in Japan that doesn't make any sense.

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Speaker 1: But I saw him with my own eyes. And unless

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Speaker 1: she photoshopped these pictures they were real, which would have

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Speaker 1: really been something because they weren't even her pictures. They

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Speaker 1: were posted on the internet. It would be a weird thing.

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Speaker 1: I suppose she could have photoshop the pictures, started a

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Speaker 1: website with an unrelated name uploaded um and then made

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Speaker 1: it look like she was searching just Google images, which

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Speaker 1: she was just to fool me. And then she's like,

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Speaker 1: I got you on a dune fake burn right, classic

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Speaker 1: dune fake fake but she um. She also, by the way,

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Speaker 1: she when she taught in Japan, um, she taught with

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Speaker 1: our buddy Raymie, who we're going to see in Toronto soon.

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Speaker 1: That's great. Which, by the way, if you haven't gotten

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Speaker 1: your tickets to Chicago, it's probably too late for Toronto

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Speaker 1: by the time this comes out. How about this. If

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Speaker 1: you're listening to this and you haven't bought your ticket

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Speaker 1: for Portland's Maine, shame on you. Okay, So sand dunes.

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Speaker 1: I love this article, by the way by Debbie Ronka yep,

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Speaker 1: And she basically says a sand dune needs three things

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Speaker 1: to form. You need loose sand because that's the kind

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Speaker 1: that can blow around you need wind to blow a

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Speaker 1: sand dune around, and then you need an obstacle, which

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Speaker 1: can be anything. It can be a bed of pebbles,

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Speaker 1: it can be a big rock, can be a tree,

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Speaker 1: but it's something for the sand to hit and say, oh,

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Speaker 1: I can't go any further. And then as more and

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Speaker 1: more sand hits that obstacle, the sand dune starts to build,

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Speaker 1: and then the sand dune itself becomes the obstacle. In

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Speaker 1: one of the most zen processes around on Earth. It

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Speaker 1: really really is. It's a true like uh layering effect

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Speaker 1: that if you see sped up with the time lapse camera, yeah,

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Speaker 1: it's pretty remarkable. Well, that actually reveals maybe the fact

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Speaker 1: of the podcast to me, sand dunes move. I thought

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Speaker 1: you're gonna say time lapse photography is possible, right if

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Speaker 1: but if you watch the sand dune over a long

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Speaker 1: enough exposure, you would see it moving forward. And here's

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Speaker 1: the thing. It doesn't just move in that like the

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Speaker 1: sand gets blown around and and you know, the sand

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Speaker 1: dune takes all these different shapes. It keeps its shape

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Speaker 1: and just moves forward depending on the type of dune

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Speaker 1: and the type of what's called wind regime in the area.

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Speaker 1: That's right. I just think that it is amazing. They're

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Speaker 1: clearly alive and can feel pain. So you really shouldn't

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Speaker 1: walk on the sand, dude. And the shape is so

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Speaker 1: dictated by the fact that, you know, maybe the wind

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Speaker 1: always blows in one direction where you are maybe opposed

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Speaker 1: in two directions only maybe it blows from many directions,

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Speaker 1: and that's all gonna dictate this malleable living, breathing, breathing, feeling,

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Speaker 1: emotional beast right, that will kill you if you don't

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Speaker 1: treat it right. It has. It's killed a couple of

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Speaker 1: people at least. So let's talk about how wind can

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Speaker 1: move sand around. Uh. It's generally a few different ways.

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Speaker 1: There's uh saltation, which is mostly like of sand. Grains

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Speaker 1: move like this and that's just the wind is just

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Speaker 1: bouncing them along. Yeah, I thought these percentages were pretty specific.

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Speaker 1: Four percent, one percent, Like who who came up with

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Speaker 1: those percentages? Okay, all right, well then they probably are accurate.

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Speaker 1: There's creep, Yes, creep I'd never witnessed or heard of before,

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Speaker 1: of you, I don't think. So that's the four percent

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Speaker 1: um of sand moves this way, and this is when

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Speaker 1: grains are colliding with other grains um, like you know,

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Speaker 1: maybe gravel or something causing them to move. It's like

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Speaker 1: sand croquet. Yeah. Um, salmon croquettes, No, those aren't the

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Speaker 1: best croquettes if you ask me. Frankly, I'm just gonna

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Speaker 1: come out and say it. The only way to eat

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Speaker 1: salmon is raw. I'm sorry. Oh I love a grilled

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Speaker 1: salmon with that crispy skin. M m mmm. I like

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Speaker 1: grilled fish. It's just when salmon is cooked, it undergoes

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Speaker 1: a taste conversion that I'm not a fan of. I

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Speaker 1: prefer it raw. No, I love raw salmon for sure,

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Speaker 1: but I love that crispy skin so much. Hey, i'm

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Speaker 1: not yucking your young man. If you like cooked salmon,

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Speaker 1: have at it. And I do like fish skin, crispy

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Speaker 1: fish skin. I'm with you, but I'm more like a

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Speaker 1: cooked trout fish skin kind of guy. Yeah. Uh. When

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Speaker 1: I was a kid, a very big seventies meal um

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Speaker 1: in my household was the canned salmon croquettes. Oh yeah,

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Speaker 1: I've had those. Yeah, it's just the bones, you know,

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Speaker 1: Like I don't like there to be bones in my food.

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Speaker 1: I'm with you. I'll eat something off the bone. I

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Speaker 1: just don't want to be expected to actually eat the bone.

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Speaker 1: I guess I don't know at a good butcher or

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Speaker 1: a good fisher. Okay, but don't that. But aren't there

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Speaker 1: still really really tiny little bones. It depends on the salmon.

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Speaker 1: But sure with you. I don't like bones either, so um.

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Speaker 1: Obviously we're talking about sand dunes still. Yeah, but the

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Speaker 1: suspension is the third way. We gotta finish that up

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Speaker 1: right right, Um, that's where that's where the wind blows

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Speaker 1: very strongly, um, so strongly and from enough different directions

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Speaker 1: at once that it actually lifts the sand into the air.

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Speaker 1: And this is what a US storm is, or a

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Speaker 1: sandstorm or um any number of Basically, if they're sand

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Speaker 1: blowing around in the air, that's this is the suspension

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Speaker 1: movement of sand up though in the air. Like when

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Speaker 1: you go to the beach. Sometimes you'll see sand in

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Speaker 1: the right conditions blowing along the ground that couple inches

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Speaker 1: off the ground. That's not the same thing, man, No,

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Speaker 1: that's saltation. That hurts. That's really painful. Yeah, I guess

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Speaker 1: it can hurt, can it? Oh? It can hurts. So um,

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Speaker 1: we've kind of already described like how a sand dune forms, um,

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Speaker 1: sort of sort of, but the there's there's a lot

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Speaker 1: of different kinds of sand dunes. We're gonna get into it,

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Speaker 1: don't worry. But there's a general way that a sand

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Speaker 1: dune forms where the sand blows along hits a something

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Speaker 1: that stops. It's for momentum, and then it starts to

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Speaker 1: pile up. And when this piling up happens, a sand

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Speaker 1: dune typically undergoes a fairly predictable um evolution, I guess,

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Speaker 1: whereas more and more sand builds up, the sand dune

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Speaker 1: gets bigger and bigger, and the sand just kind of

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Speaker 1: smacks into the back of the sand dune, and the

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Speaker 1: lighter sand will just continue up and over the sand dune.

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Speaker 1: And then once it makes it down the other side,

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Speaker 1: which is called the slip face, which is the side

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Speaker 1: that's protected from the wind, the um the sand dune

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Speaker 1: just kind of gets bigger and bigger. But eventually enough

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Speaker 1: sand will pile up on the back side that it

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Speaker 1: forms a crest where it basically piles up and forms

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Speaker 1: a peak or crest or something like that. And then

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Speaker 1: this crest can get so so big and so pronounced

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Speaker 1: that it will actually crumble under its own weight. Yeah,

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Speaker 1: I mean, it's just it's like raw physics before your

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Speaker 1: very eyes. These layers, those light sands blowing over and

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Speaker 1: it's layer after layer building up. Then that crest gets

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Speaker 1: super tall, like you could mess around with it if

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Speaker 1: you had a big bucket of dry sand with your

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Speaker 1: own hand. Sort of see this effect as you drop sand. Eventually,

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Speaker 1: when it does collapse, it's gonna avalanche down the slip

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Speaker 1: face and there is an angle it's called the angle

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Speaker 1: of repose, where it's sort of where that beautiful, Um,

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Speaker 1: what's the word I'm looking for. Not symbiosis, but when

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Speaker 1: when something's pushing against something, the other things pushing right back,

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Speaker 1: and it all agrees that just to stop there in

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Speaker 1: the middle. I don't remember what it's called, but I

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Speaker 1: know what you're talking about. It is beautiful, that's basically it.

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Speaker 1: It's about thirty to forty thirty four degrees in general,

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Speaker 1: and that's when it just reaches that perfect angle of

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Speaker 1: steepness that it's all just stable and solid. Right, So

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Speaker 1: now you have a dune. It's no longer being born.

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Speaker 1: It's now living, and it's it's it still can keep growing,

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Speaker 1: but it's going to keep growing along these lines where

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Speaker 1: you know, if if enough gets built up, it's gonna

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Speaker 1: fall down into the angle of repose. More likely, the

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Speaker 1: sand will just continue going over the edge and then

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Speaker 1: being built up on the back side too. It's a

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Speaker 1: rump will grow basically. Yeah. And if you're like, winds

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Speaker 1: are really strong, it's probably gonna be taller. If the

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Speaker 1: winds are really gentle, it's probably going to be more

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Speaker 1: spread out. And the direction of the wind, the angle

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Speaker 1: of the wind um and like we mentioned earlier, whether

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Speaker 1: or not its unidirectional, bi direction or multidirectional, that's all

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Speaker 1: gonna play a part into what kind of dune you're

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Speaker 1: gonna get. So let's take a break and then we'll

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Speaker 1: come back and talk about the different kinds of dunes. Okay,

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Speaker 1: all right, Chuck. Have you ever read the book Dune? Nope?

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Speaker 1: I haven't either. Have you ever seen the movie? Nope?

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Speaker 1: Me either. That's interesting. You know they're making they're making

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Speaker 1: it again. Uh, that's great. That Dennis villaenieu guy. So

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Speaker 1: oh he's good. Yeah, he's amazing. He did the arrival, right,

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Speaker 1: I think so? Yeah? Or just a arrival. The arrival

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Speaker 1: is like old Charlie Sheen movie. I think, I think

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Speaker 1: it's just a arrival. Okay, yeah, so, um, neither one

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Speaker 1: of us has seen or red dune. We're gonna get

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Speaker 1: some email about this, I think. Yeah. And I'm not

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Speaker 1: knocking David Lynch either, of course, I want to throw

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Speaker 1: that in there, or Frank Herbert. Yeah, I'm just kidding.

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Speaker 1: I don't know anything. So um. So, like you were saying,

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Speaker 1: dunes are the result of the winds that are im

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Speaker 1: prevalent in the area, and the most common dune on

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Speaker 1: Earth and um, little known fact, well maybe not little known,

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Speaker 1: but interesting fact. Um, the most common dunes on Mars

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Speaker 1: or what it called a cynic or crescent shaped dunes

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Speaker 1: and these are far and away the most common. Um,

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Speaker 1: which means that more often than not, in any given area,

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Speaker 1: the wind is going to be blowing in the same

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Speaker 1: direction basically all the time. Yeah. And this got a

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Speaker 1: little confusing for me because the more I researched the

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Speaker 1: types of dunes, like I saw one place it said

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Speaker 1: there are five main types of sand dunes Barkin, transverse, blowout, linear,

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Speaker 1: and composite. Who said that a website that seemed very

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Speaker 1: educational and reliable. Weird, But I believe they are just

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Speaker 1: different words for some of these, and some of these

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Speaker 1: are subtypes of the main five. Because I believe a

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Speaker 1: crescentic is a bark in dune. Yes, if I'm not mistaken,

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Speaker 1: you're not horseshoe shaped front facing the wind, I guess. So. Yeah,

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Speaker 1: that's the big thing is where is the curve pointing

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Speaker 1: is the big differentiator for chryscentic. Yeah, Like I look

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Speaker 1: these up online, all these pictures, and like when I

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Speaker 1: saw the chriscentic, uh, these look like sort of those

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Speaker 1: big beautiful dunes from Star Wars or Lawrence of Arabia. Yeah,

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Speaker 1: it's what most people think of when they think of

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Speaker 1: a dune. It's like a desert dune, right, exactly, thank you.

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Speaker 1: So chryscentic is if you imagine it is like a

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Speaker 1: U shape or a V shape. The underside or the

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Speaker 1: bottom of the U or the point the outside point

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Speaker 1: of the V is going to be pointing in the

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Speaker 1: direction opposite the wind, so it's pointing up wind. So

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Speaker 1: the wind is blowing and hitting that outside point of

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Speaker 1: the V or the bottom of the U, which doesn't

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Speaker 1: really make sense um to me. The parabolic, which we'll

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Speaker 1: talk about later, makes more sense. But anyway, the parabolic

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Speaker 1: the same as a blowout, because a blowout dune is

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Speaker 1: the opposite of a bar can, and that the curve,

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Speaker 1: the horseshoe curve, faces away from the wind. Yes, okay,

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Speaker 1: it's gonna take five minutes to undo the confusion we

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Speaker 1: just created. Well, and there are some who studies this,

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Speaker 1: what kind of geologists I believe, desert ecologists. Yeah, I'm

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Speaker 1: sure they are having a ball with this one. Just

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Speaker 1: up a drink, everybody, Yeah, all seventeen of them, buckle up.

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Speaker 1: So crescent shaped ones again, say they're U shape or

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Speaker 1: V shaped, and the bottom of the U or the

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Speaker 1: point of the V is pointing facing the wind, so

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Speaker 1: pointing up wind, the wind blows it. The wind the

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Speaker 1: sand that it's blowing onto the backside, onto the rump

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Speaker 1: of this dune blows up, it falls down avalanches, uh

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Speaker 1: under the slip face which is the inside of the

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Speaker 1: U or the V, and it's not as protected from

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Speaker 1: the wind. And what's amazing about this is because the

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Speaker 1: crescent shaped dune is the result of a wind regime

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Speaker 1: where the wind is blowing in one direction basically all

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Speaker 1: the time. These are the dunes that can actually move

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Speaker 1: and they can move pretty fast. They're one of two kinds,

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Speaker 1: but they can move pretty fast across the desert, so

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Speaker 1: much so that sometimes these dunes, when there's many of them,

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Speaker 1: will catch up to one another, and they'll do some

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Speaker 1: pretty amazing things when they catch up to one another. Yeah,

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Speaker 1: and so much so that they can threaten uh like villages,

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Speaker 1: and people have to try and stop these dunes. Yes,

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Speaker 1: some people have been known to pour motor oil on

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Speaker 1: dunes to keep them from moving. Because it winds the

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Speaker 1: sand without it drying out. It's not a good one. Um.

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Speaker 1: You could plant vegetation, although if you're in the desert,

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Speaker 1: that's not a great great thing because your plants are

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Speaker 1: just gonna die. Um more often than not. If you

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Speaker 1: just put up fencing, that that becomes an obstacle for

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Speaker 1: the dune, and the dune will stop in its tracks

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Speaker 1: and it will just keep building up on the back side.

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Speaker 1: Eventually it might be big enough to overcome the dune,

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Speaker 1: but it will certainly slow it down for a good

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Speaker 1: many years for sure. But the thing about that crescent shape,

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Speaker 1: when when a small one catches up to a bigger one,

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Speaker 1: a lot of things can happen. One thing is that

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Speaker 1: it can appear as if the small one passes straight

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Speaker 1: through the big one. It is amazing. And then another

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Speaker 1: thing that can happen is to to um dunes. I

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Speaker 1: don't remember how if they're the same size or different

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Speaker 1: size when they come together, so that the arms are

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Speaker 1: the wings of the horns of that crescent shape, right,

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Speaker 1: not the main part, but the points that come out.

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Speaker 1: Those are called the horns of actually seen arms too.

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Speaker 1: There's all sorts of different names. It's a giant mess.

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Speaker 1: Nobody can agree on anything with dune ecology. But when

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Speaker 1: a different dune catches up and merges with it, it

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Speaker 1: can actually go from two dunes to three, which is

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Speaker 1: called breeding and the two So there's the one dune

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Speaker 1: that remains and then the other one basically splits into

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Speaker 1: two dunes that come out. The arms are the points

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Speaker 1: of the original dune. So when you had two, now

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Speaker 1: there's three, which is pretty astounding if you ask me,

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Speaker 1: because we're talking sand dunes here and breeding new dunes. Amazing.

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Speaker 1: I think it's pretty amazing too. So among the five types,

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Speaker 1: there's also enlisted as a transverse dune. I didn't understand

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Speaker 1: them at all. Well, I think these are the ones

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Speaker 1: that their long lines of rigid dunes and they're perpendicular

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Speaker 1: to the wind. Uh. They have really steep slip faces

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Speaker 1: at the backsides, and they're kind of wavy. So there's

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Speaker 1: a lot of sand and not a lot of plants.

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Speaker 1: And I think the dunes that like you see um,

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Speaker 1: like behind the beach are a lot of times are

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Speaker 1: transverse dunes. Okay, if I'm not mistaken, my understanding was

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Speaker 1: that parabolic we're the most um coastal dunes, maybe not

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Speaker 1: the most coastal, right, and I think there are different

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Speaker 1: kinds of dunes even along the coast, right, Yeah, yeah,

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Speaker 1: for sure. Again, it just depends on what the wind

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Speaker 1: is like in an area. And because wind regime is

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Speaker 1: going to be different for every kind of area, there's

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Speaker 1: different kinds of dunes. And um, what we're talking about

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Speaker 1: are the standard simple kinds of dunes. Dunes can like

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Speaker 1: we like we were just saying, can merge with one another.

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Speaker 1: Winds can change and different types of dunes will start

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Speaker 1: to form. You've got um compound and complex dunes to

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Speaker 1: which can be two different kinds of dunes merged together. Um.

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Speaker 1: So there's a lot of weird things that can happen

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Speaker 1: with dunes. They're they're very rarely just a simple, straight up,

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Speaker 1: straightforward kind of dune. Yeah, there are linear dunes. Uh.

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Speaker 1: These are mostly parallel to the wind, and these form

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Speaker 1: these long straight ridges and they think geologists think that

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Speaker 1: they are caused by wind that blows in one They

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Speaker 1: are definitely bi directional as far as the wind goes,

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Speaker 1: but they think they're cause when wind blows from one

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Speaker 1: direction in one part of the year and then another

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Speaker 1: direction and another part of the year, right, So they're

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Speaker 1: they're like long lines basically. Yeah. But it's interesting that

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Speaker 1: you know, the winds will shift over you know, like

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Speaker 1: the course of a year, so it's not like every

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Speaker 1: day they're shifting, no, but it's enough and they're powerful

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Speaker 1: enough that they're blowing any any kind of um rump

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Speaker 1: or base of these and it's just a big long

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Speaker 1: line of saying sometimes very sharp depending on you know,

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Speaker 1: just how sharp the bi directionality of the wind is.

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Speaker 1: Um star ones. This is one of my favorites. These

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Speaker 1: are pretty cool. So if you tell what you would think, Yeah,

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Speaker 1: if it's like a sand dune that looks a bit

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Speaker 1: like a star, they have a pyramidal mound that goes

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Speaker 1: up in the middle um and then at least three

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Speaker 1: arms with um slip faces, you know, the avalanche face

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Speaker 1: radiating out from that middle And these are the results

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Speaker 1: of a bunch of different wind directions throughout a year

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Speaker 1: building up. So rather than moving along the face of

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Speaker 1: the earth, these things is kind of build up in space.

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Speaker 1: And they're actually some of the tallest ones. I think

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Speaker 1: there's some that are like fivet tall in deserts in China, um,

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Speaker 1: which is pretty pretty amazing. I mean that's tall, especially

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Speaker 1: if you're a sand border. Yeah, I mean you can

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Speaker 1: simulate all this stuff, like you can make your hand

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Speaker 1: the wind if you're at the beach and you're playing

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Speaker 1: with sand. I mean you just think about if you're

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Speaker 1: pushing the sand in one direction only, it's gonna look

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Speaker 1: a certain way. If you push then in another direction,

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Speaker 1: that's gonna look a certain way. And then in the

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Speaker 1: case of a star, if you're using your hand pushing

380
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Speaker 1: sand in and all these different directions, it's gonna grow

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Speaker 1: upward and it's not gonna grow laterally. Right right. We

382
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Speaker 1: should have probably said at the outset that it helps

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Speaker 1: a lot if you go look up images of the

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Speaker 1: different types of dunes we're talking about. Help me and

385
00:22:41,840 --> 00:22:47,040
Speaker 1: look up. Look up dune porn. Yeah, I'm sure it's

386
00:22:47,040 --> 00:22:53,840
Speaker 1: out there. Um okay, Now there's parabolic or parabolic I say.

387
00:22:54,119 --> 00:22:59,080
Speaker 1: You say parabolic, I say parabolic. So these are basically

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Speaker 1: the opposite of crescent shaped, where this time, the inside

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00:23:04,280 --> 00:23:06,320
Speaker 1: of the U or the inside point of the V

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00:23:07,119 --> 00:23:09,919
Speaker 1: is what the wind is blowing into, and then the

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00:23:09,960 --> 00:23:12,879
Speaker 1: outside of the U or the outside of the V

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Speaker 1: is what's facing in the direction that the wind is going.

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00:23:16,560 --> 00:23:19,600
Speaker 1: But it's down wind, right. It's what you would think of,

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Speaker 1: like if you're just thinking about moving sand with wind

395
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Speaker 1: via physics. This this one makes the most sense. But

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Speaker 1: the thing about parabolic that really distinguishes it from crescent

397
00:23:29,560 --> 00:23:34,080
Speaker 1: is that usually they're made of sand that is, has

398
00:23:34,119 --> 00:23:37,680
Speaker 1: some sort of water attached to it or vegetation so

399
00:23:37,720 --> 00:23:41,159
Speaker 1: that the arms are anchored, So the arms stay in

400
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Speaker 1: the same place. They just get longer and longer as

401
00:23:44,119 --> 00:23:47,439
Speaker 1: the bulk of the dune the middle part keeps moving

402
00:23:47,520 --> 00:23:51,680
Speaker 1: further and further away, which is pretty cool if you

403
00:23:51,960 --> 00:23:54,520
Speaker 1: especially if you imagine this stuff on a like a

404
00:23:54,600 --> 00:23:58,640
Speaker 1: time lapse or you know, happening really quickly. Yeah, I mean,

405
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Speaker 1: it can be a little treaty shrubs, grasses and what

406
00:24:02,400 --> 00:24:05,399
Speaker 1: we'll talk more about what can grow in dunes. But

407
00:24:05,520 --> 00:24:09,040
Speaker 1: these things very much served as the anchor on those arms. Uh.

408
00:24:09,080 --> 00:24:11,919
Speaker 1: And these are not gonna be very tall obviously if

409
00:24:11,920 --> 00:24:14,399
Speaker 1: you think about like the way they're going to form,

410
00:24:14,560 --> 00:24:16,960
Speaker 1: the fact that those arms are anchored down, they're not

411
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Speaker 1: gonna be super tall. Um. And then where that vegetation

412
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Speaker 1: is gonna stop, it's gonna slow the advance of that

413
00:24:25,240 --> 00:24:28,400
Speaker 1: sand accumulation. Right. They used to think it was strictly

414
00:24:28,480 --> 00:24:32,439
Speaker 1: just the vegetation um that anchors the arms, but they

415
00:24:32,480 --> 00:24:36,240
Speaker 1: apparently have discovered recently that no, it's actually more water

416
00:24:36,359 --> 00:24:40,200
Speaker 1: logged sand like in the arms than than we previously thought.

417
00:24:40,200 --> 00:24:43,720
Speaker 1: And it's probably the water it acts as motor oil,

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00:24:44,240 --> 00:24:47,160
Speaker 1: that's right. And then on this original nost of five

419
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Speaker 1: main types, the composite dunes were the last one listed,

420
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Speaker 1: and this is just sort of a combination of two

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Speaker 1: or more types of other dunes. Um, these are really big,

422
00:24:56,680 --> 00:25:00,480
Speaker 1: they're very tall. Uh. They form these big hilly forms

423
00:25:00,520 --> 00:25:05,040
Speaker 1: called draws d r a a s and they're mostly

424
00:25:05,080 --> 00:25:09,040
Speaker 1: transverse in linear dunes, and they can be like taller

425
00:25:09,080 --> 00:25:13,119
Speaker 1: than fours. They're they're gigantic. Wow, that's really cool. What

426
00:25:13,240 --> 00:25:17,440
Speaker 1: makes them so big? I think just the combination of

427
00:25:17,560 --> 00:25:23,240
Speaker 1: the dunes I was just just running together. That's pretty neat. Um.

428
00:25:23,240 --> 00:25:24,840
Speaker 1: There's another one I want to give a shout out

429
00:25:24,840 --> 00:25:29,159
Speaker 1: to Chuck is lithified dunes or slick rock, like the

430
00:25:29,240 --> 00:25:31,280
Speaker 1: kind of that you see like in a painted desert

431
00:25:31,359 --> 00:25:35,639
Speaker 1: or whatever. That's actually like a hardened sand dune that

432
00:25:35,760 --> 00:25:39,240
Speaker 1: over time water has flown, has moved through, and as

433
00:25:39,240 --> 00:25:42,320
Speaker 1: it moved through, it basically fossilized the sand dune because

434
00:25:42,320 --> 00:25:46,320
Speaker 1: it deposited minerals of different types. And these minerals can

435
00:25:46,359 --> 00:25:51,680
Speaker 1: create like layers or strata um that that have different colors.

436
00:25:52,280 --> 00:25:55,520
Speaker 1: And that's but it's actually originally it was a sand dune. Gorgeous.

437
00:25:55,720 --> 00:25:59,400
Speaker 1: I've been you talk quite a few times, yep. Uh.

438
00:25:59,440 --> 00:26:04,120
Speaker 1: And we to talk about the subaqueous too, because those

439
00:26:04,119 --> 00:26:08,720
Speaker 1: are pretty great. They're underwater dunes and uh, if you've like,

440
00:26:08,800 --> 00:26:11,000
Speaker 1: you see these a lot in natural channels like rivers

441
00:26:11,040 --> 00:26:14,520
Speaker 1: and stuff. Um, but they can also form and you

442
00:26:14,520 --> 00:26:17,600
Speaker 1: know in a canal that man has built, which is

443
00:26:17,600 --> 00:26:22,480
Speaker 1: pretty interesting. They moved downstream always and they tend to

444
00:26:22,520 --> 00:26:24,840
Speaker 1: be of the same height and the same wavelength the

445
00:26:24,880 --> 00:26:28,679
Speaker 1: same frequency, like they're they're equally spaced apart. And I

446
00:26:28,680 --> 00:26:31,720
Speaker 1: didn't realize this, but it makes total sense. The presence

447
00:26:31,960 --> 00:26:35,560
Speaker 1: of um dunes on the bottom of like a channel

448
00:26:35,640 --> 00:26:39,160
Speaker 1: or a river or something. It increases the river's likelihood

449
00:26:39,200 --> 00:26:43,720
Speaker 1: of flooding because it decreases um flow. It increases resistance,

450
00:26:43,760 --> 00:26:47,520
Speaker 1: decreases flow, and so the water actually piles up and

451
00:26:47,840 --> 00:26:52,040
Speaker 1: overflows because it's running into sand dunes at the bottom. Amazing,

452
00:26:52,480 --> 00:26:54,879
Speaker 1: It is amazing. I don't know if we've gotten this

453
00:26:54,960 --> 00:26:57,240
Speaker 1: across yet or not everybody, but sand dunes are a

454
00:26:57,280 --> 00:27:00,000
Speaker 1: little more amazing than you might have thought, certainly more

455
00:27:00,040 --> 00:27:05,320
Speaker 1: amazing than say, Jackhammers. You want to take another break, Yeah,

456
00:27:05,400 --> 00:27:08,360
Speaker 1: let's do it. We're going to take a break everybody,

457
00:27:08,400 --> 00:27:10,359
Speaker 1: in case you didn't here, and we will be right

458
00:27:10,400 --> 00:27:38,560
Speaker 1: back with coastal dunes. Okay, So the dunes that I

459
00:27:38,600 --> 00:27:40,880
Speaker 1: am probably most people have seen more than any our

460
00:27:41,040 --> 00:27:43,320
Speaker 1: coastal dunes, the dunes at the beach, the dunes that

461
00:27:43,359 --> 00:27:46,280
Speaker 1: have a science says stay off the dunes. There's probably

462
00:27:46,320 --> 00:27:51,800
Speaker 1: some plants growing on them, and UM didn't protected. They

463
00:27:51,840 --> 00:27:56,840
Speaker 1: are protected and they're protective too, that's right, But really

464
00:27:57,040 --> 00:27:59,800
Speaker 1: I was I realized this as I was researching this

465
00:28:00,000 --> 00:28:03,440
Speaker 1: tuck they really protect human interests. They don't really do.

466
00:28:04,280 --> 00:28:06,520
Speaker 1: They don't. There's not a whole lot that they're doing

467
00:28:06,560 --> 00:28:12,040
Speaker 1: besides replenishing the sand that makes up the shore ecosystem

468
00:28:12,080 --> 00:28:16,840
Speaker 1: after a storm. They're basically like a reserve sand um pile,

469
00:28:17,359 --> 00:28:20,560
Speaker 1: so that when a storm happens that the sea goes,

470
00:28:20,640 --> 00:28:22,760
Speaker 1: give me some of that, and it takes the sand

471
00:28:22,760 --> 00:28:26,280
Speaker 1: out and replenishes it and then starts this process over again.

472
00:28:26,520 --> 00:28:29,159
Speaker 1: Because that's where the sand dune originally comes from. Is

473
00:28:29,240 --> 00:28:33,760
Speaker 1: waves bring sand ashore, and the sand starts to blow

474
00:28:34,000 --> 00:28:37,280
Speaker 1: inward inland and runs into something in the way, And

475
00:28:37,320 --> 00:28:39,160
Speaker 1: like I said, at the outset, it could be a

476
00:28:39,200 --> 00:28:42,160
Speaker 1: bed of pebbles, it could be shells, it could be

477
00:28:42,320 --> 00:28:45,040
Speaker 1: some vegetation that's already growing there, and it starts to

478
00:28:45,040 --> 00:28:48,360
Speaker 1: build up. And that's where coastal sand dunes begin. Yeah,

479
00:28:48,360 --> 00:28:52,440
Speaker 1: it's really cool they have. First of all, uh, an

480
00:28:52,440 --> 00:28:56,200
Speaker 1: embryo done is a real term, which is really kind

481
00:28:56,200 --> 00:28:59,040
Speaker 1: of funny and kind of like I imagined, is like

482
00:28:59,160 --> 00:29:06,120
Speaker 1: sticky in Yoki Cross. But how how these things uh like,

483
00:29:06,280 --> 00:29:10,400
Speaker 1: how vegetation comes to um to work with dunes, and

484
00:29:10,440 --> 00:29:13,160
Speaker 1: they kind of scratch each other's backs. Uh. In this

485
00:29:13,280 --> 00:29:16,560
Speaker 1: case is rotting seaweed will will come in from a storm,

486
00:29:16,640 --> 00:29:20,080
Speaker 1: let's say, because a sand dune in itself originally doesn't

487
00:29:20,120 --> 00:29:23,520
Speaker 1: have like a ton of nutrients to allow stuff to grow. Yeah,

488
00:29:23,560 --> 00:29:28,120
Speaker 1: it's just minerals basically, like like quarts and ground up

489
00:29:28,160 --> 00:29:30,960
Speaker 1: calcium carbonate and not much else. Yeah, so you would

490
00:29:30,960 --> 00:29:33,640
Speaker 1: be surprised if anything grew there. But what will happen

491
00:29:33,720 --> 00:29:36,840
Speaker 1: is the tide will bring in plant life and like

492
00:29:36,960 --> 00:29:40,680
Speaker 1: rotting seaweed and added, you know, they dump their nutrients

493
00:29:40,720 --> 00:29:43,480
Speaker 1: there and that allows what they call a pioneer species

494
00:29:43,520 --> 00:29:46,400
Speaker 1: to colonize because all of a sudden there's some nutrients there.

495
00:29:46,960 --> 00:29:49,960
Speaker 1: And this can be mainly grasses, like all different kinds

496
00:29:49,960 --> 00:29:54,280
Speaker 1: of kinds of sea grasses and uh, these plants, you know,

497
00:29:54,280 --> 00:29:56,520
Speaker 1: these are sea grasses. So they you know, they can

498
00:29:56,560 --> 00:29:59,880
Speaker 1: grow well in really harsh conditions like super salty area

499
00:30:00,000 --> 00:30:03,480
Speaker 1: as um they're getting beat by wind and they really

500
00:30:03,520 --> 00:30:06,760
Speaker 1: typically have these big, deep, long roots. They're gonna go

501
00:30:06,800 --> 00:30:09,080
Speaker 1: all the way down to the water table and that's

502
00:30:09,120 --> 00:30:12,240
Speaker 1: we're gonna they're gonna get there, uh their drink, and

503
00:30:12,240 --> 00:30:16,440
Speaker 1: they're gonna just bind that sand together. And it's like

504
00:30:16,480 --> 00:30:18,920
Speaker 1: I said, they kind of work together to make the

505
00:30:18,960 --> 00:30:21,280
Speaker 1: sand makes the plant stronger. The plants make the sand

506
00:30:21,320 --> 00:30:24,120
Speaker 1: stronger or the dune rather yeah. Yeah, And once those

507
00:30:24,120 --> 00:30:27,760
Speaker 1: pioneer species of grasses are established, they start to change

508
00:30:27,840 --> 00:30:31,760
Speaker 1: the actual like composition of the dune and they make

509
00:30:31,800 --> 00:30:36,880
Speaker 1: it more um. Yeah to other kinds of species that

510
00:30:36,880 --> 00:30:39,680
Speaker 1: aren't quite as pioneering but are still pretty hardy compared

511
00:30:39,720 --> 00:30:43,760
Speaker 1: to say like you're you know, your your rosebush or something.

512
00:30:44,200 --> 00:30:48,080
Speaker 1: They there's you know, woody perennials like um beach elder.

513
00:30:48,640 --> 00:30:52,480
Speaker 1: There's heaths and heathers UM in the UK, they grow

514
00:30:52,560 --> 00:30:57,560
Speaker 1: on on coastal dunes and UM. All that these do

515
00:30:58,040 --> 00:31:02,080
Speaker 1: is create uh an eve and stronger, more nutrient rich

516
00:31:02,200 --> 00:31:04,680
Speaker 1: type soil as these things live and grow and fix

517
00:31:04,800 --> 00:31:09,440
Speaker 1: nitrogen and turn more seaweed into even more nutrients UM.

518
00:31:09,720 --> 00:31:12,680
Speaker 1: And they also allow it to retain water. Although I

519
00:31:12,720 --> 00:31:16,840
Speaker 1: think basically to a species, any plant that can grow

520
00:31:17,080 --> 00:31:21,760
Speaker 1: on a sand dune is is basically developed UM techniques

521
00:31:22,040 --> 00:31:26,680
Speaker 1: to resist losing water. Like they have small crinkly leaves

522
00:31:26,680 --> 00:31:30,200
Speaker 1: that that don't evaporate water nearly as easily. So the

523
00:31:30,600 --> 00:31:33,200
Speaker 1: name of the game is to get as many nutrients

524
00:31:33,200 --> 00:31:37,479
Speaker 1: out of unfriendly um soil as possible and keep as

525
00:31:37,560 --> 00:31:39,320
Speaker 1: much of the water as you can get from the

526
00:31:39,320 --> 00:31:42,760
Speaker 1: water table. Yeah, which is why they protect dunes. I mean,

527
00:31:42,760 --> 00:31:44,320
Speaker 1: when you when you go to the beach, you're gonna

528
00:31:44,320 --> 00:31:46,960
Speaker 1: see signs that say stay off the dunes, and you

529
00:31:46,960 --> 00:31:49,440
Speaker 1: don't want to, you know, because the fear is that

530
00:31:49,560 --> 00:31:52,120
Speaker 1: humans will go in there, which is exactly what would happen,

531
00:31:52,720 --> 00:31:57,320
Speaker 1: and trample on these grasses. And then that little relationship

532
00:31:57,440 --> 00:32:01,200
Speaker 1: is busted apart when those grasses die off or even worse,

533
00:32:01,680 --> 00:32:05,040
Speaker 1: are pulled up, maybe because you want to take some

534
00:32:05,120 --> 00:32:08,360
Speaker 1: home or something, and then the sand dune is compromised.

535
00:32:08,840 --> 00:32:13,080
Speaker 1: Look at the girl from the beach, so one one.

536
00:32:13,760 --> 00:32:17,880
Speaker 1: Even without human intervention, these coastal dunes can turn into

537
00:32:17,960 --> 00:32:22,560
Speaker 1: parabolic dunes if something happens, like a storm search happens

538
00:32:22,560 --> 00:32:27,440
Speaker 1: and carves out like a significant portion of the sand

539
00:32:27,480 --> 00:32:31,320
Speaker 1: in front of the dune, because now there's nothing holding

540
00:32:31,360 --> 00:32:33,640
Speaker 1: that dune in place, and it's exposed to the wind

541
00:32:33,680 --> 00:32:36,400
Speaker 1: even further, and so the dune itself will start to

542
00:32:36,480 --> 00:32:39,520
Speaker 1: move forward, but the arms will stay in place, and

543
00:32:39,560 --> 00:32:42,240
Speaker 1: that's the coastal dune is just turned into a parabolic

544
00:32:42,320 --> 00:32:46,560
Speaker 1: dune too, and it's moving inland, which if you have

545
00:32:46,920 --> 00:32:49,520
Speaker 1: a house built there, that's a problem for you. But

546
00:32:50,200 --> 00:32:52,640
Speaker 1: one thing that I didn't realize, but I totally now

547
00:32:52,680 --> 00:32:54,200
Speaker 1: I've I've seen it all over the place, but I

548
00:32:54,280 --> 00:32:57,240
Speaker 1: never put tune two together. If you've ever noticed, um,

549
00:32:57,640 --> 00:33:02,280
Speaker 1: an established beach will almost always have like a conifer

550
00:33:02,560 --> 00:33:06,520
Speaker 1: like pine tree forest. And apparently that's like the end result,

551
00:33:06,720 --> 00:33:10,320
Speaker 1: like of the progressional evolution of a don ecosystem, is

552
00:33:10,360 --> 00:33:13,560
Speaker 1: a pine forest is going to grow because they're adapted

553
00:33:13,600 --> 00:33:16,200
Speaker 1: to grow in this this soil that's been prepared over

554
00:33:16,280 --> 00:33:19,480
Speaker 1: time that started out as a single piece of dead

555
00:33:19,520 --> 00:33:23,520
Speaker 1: seaweed and ended up into a whole pine forest. I mean,

556
00:33:23,840 --> 00:33:26,080
Speaker 1: for sure, there are a lot of pine trees in

557
00:33:26,120 --> 00:33:28,920
Speaker 1: the Florida Panhandle. Yeah, but you never think about it.

558
00:33:28,960 --> 00:33:31,840
Speaker 1: But that's that that's like a don eco system. But

559
00:33:31,920 --> 00:33:33,800
Speaker 1: that's part of the dune. That's like the I think

560
00:33:33,840 --> 00:33:36,240
Speaker 1: the climax ecosystem is what they call it. Yeah, And

561
00:33:36,280 --> 00:33:38,240
Speaker 1: I don't know if you've ever been to a beach

562
00:33:38,520 --> 00:33:42,920
Speaker 1: not so long after a hurricane is hit, but it, uh,

563
00:33:43,120 --> 00:33:45,719
Speaker 1: it's just devastating to look at. I mean, you always

564
00:33:46,240 --> 00:33:48,520
Speaker 1: obviously think of people in homes that are destroyed and

565
00:33:48,520 --> 00:33:50,680
Speaker 1: stuff like that, but if you look at the actual

566
00:33:50,720 --> 00:33:54,880
Speaker 1: beach itself, um, it's pretty brutal. Like it can take

567
00:33:54,920 --> 00:33:59,280
Speaker 1: decades for that beach itself to recover and for those

568
00:33:59,360 --> 00:34:03,080
Speaker 1: dunes to re cover. Um. Like I was in South

569
00:34:03,080 --> 00:34:05,160
Speaker 1: Carolina not a couple of years ago, not too long

570
00:34:05,200 --> 00:34:08,000
Speaker 1: after one of the hurricanes, and it was like you're

571
00:34:08,080 --> 00:34:10,399
Speaker 1: used to seeing these big broad beaches with these big

572
00:34:10,400 --> 00:34:13,400
Speaker 1: flowy dunes, and this was like a cliff. It was

573
00:34:13,480 --> 00:34:17,560
Speaker 1: just sand that eventually went up. Uh, you know, the

574
00:34:17,560 --> 00:34:20,600
Speaker 1: water line met just a hard like jeez a man,

575
00:34:20,680 --> 00:34:24,120
Speaker 1: some places like ten and twelve feet like a sand cliff,

576
00:34:24,800 --> 00:34:27,440
Speaker 1: and it just looks completely unnatural, like not like the

577
00:34:27,440 --> 00:34:31,000
Speaker 1: beaches that you're used to seeing. And selfishly, as you

578
00:34:31,000 --> 00:34:34,600
Speaker 1: know as a beach goer, some parts were just completely impassable,

579
00:34:34,640 --> 00:34:37,080
Speaker 1: Like you couldn't even get to the beach unless you

580
00:34:37,200 --> 00:34:39,800
Speaker 1: like repelled down the wall or something, and you certainly

581
00:34:39,800 --> 00:34:42,600
Speaker 1: couldn't get back up from what I could tell, though,

582
00:34:43,360 --> 00:34:46,920
Speaker 1: that's just part of this natural process. And like removing

583
00:34:46,960 --> 00:34:50,440
Speaker 1: and then slowly replenishing, and like I was saying earlier,

584
00:34:51,040 --> 00:34:54,840
Speaker 1: the dunes protect human habitation. Like you want a dune

585
00:34:54,960 --> 00:34:58,440
Speaker 1: if you live on a coastal beach area. It's like

586
00:34:58,480 --> 00:35:01,319
Speaker 1: a big stack of sandbags. It is, and and like

587
00:35:01,400 --> 00:35:03,600
Speaker 1: you build your house right behind it, and it provides

588
00:35:03,640 --> 00:35:06,239
Speaker 1: this buffer from storm surges and stuff like that. But

589
00:35:06,320 --> 00:35:10,160
Speaker 1: when it's when it's taken away, if it takes decades

590
00:35:10,200 --> 00:35:14,040
Speaker 1: to rebuild, you may want to move elsewhere. Apparently after

591
00:35:14,239 --> 00:35:17,560
Speaker 1: Hurricane Sandy, there's parts of New Jersey still that they're saying, like,

592
00:35:17,719 --> 00:35:20,440
Speaker 1: I don't know if this is habitable anymore. Maybe it

593
00:35:20,480 --> 00:35:23,120
Speaker 1: will be in like fifty years after the dunes come back.

594
00:35:23,200 --> 00:35:27,080
Speaker 1: But this is not like it's it's like we can't

595
00:35:27,120 --> 00:35:30,279
Speaker 1: live here anymore. It's because the dunes have have been removed.

596
00:35:30,680 --> 00:35:32,680
Speaker 1: And people in New Jersey said, have you ever been

597
00:35:32,719 --> 00:35:36,200
Speaker 1: to Newark? Yeah? At the New York's come a long way,

598
00:35:36,760 --> 00:35:39,560
Speaker 1: has it? Oh? Sure, okay? But when I first started

599
00:35:39,560 --> 00:35:41,840
Speaker 1: going there in the in the early to mid nineties,

600
00:35:41,840 --> 00:35:45,640
Speaker 1: it was it was a different story. I love Newark,

601
00:35:45,640 --> 00:35:49,400
Speaker 1: it's great. Do you really sure? Okay? I love all

602
00:35:49,400 --> 00:35:52,200
Speaker 1: of New Jersey. That's my second home, all right, there

603
00:35:52,320 --> 00:35:56,719
Speaker 1: you go. Speaking of second homes, we should talk about that.

604
00:35:57,280 --> 00:36:00,560
Speaker 1: What little critters make their home their first time them

605
00:36:00,560 --> 00:36:04,120
Speaker 1: in the dunes? M hm do you like? Well? I did?

606
00:36:04,160 --> 00:36:08,440
Speaker 1: It was pretty nice. That was a classic sk So

607
00:36:08,600 --> 00:36:10,440
Speaker 1: I mean kind of like we were talking about before,

608
00:36:10,560 --> 00:36:14,759
Speaker 1: like a big pile of sand is not an an

609
00:36:14,800 --> 00:36:18,919
Speaker 1: intuitive place for plants to live or animals to live. Um,

610
00:36:18,960 --> 00:36:22,200
Speaker 1: but because of all the nutrient dumps that the ocean

611
00:36:22,239 --> 00:36:29,600
Speaker 1: brings in, uh, it can, uh it can end up

612
00:36:29,600 --> 00:36:32,759
Speaker 1: being a really thriving ecosystem. There can be little little

613
00:36:32,760 --> 00:36:36,839
Speaker 1: flower dune flowers. There can be little rats and mice. Uh,

614
00:36:36,880 --> 00:36:40,440
Speaker 1: certainly snakes and lizards if you're in the desert. Um.

615
00:36:40,480 --> 00:36:42,799
Speaker 1: But obviously these are only going to be things like

616
00:36:43,680 --> 00:36:46,960
Speaker 1: you can't completely discount like nature. These all have to

617
00:36:46,960 --> 00:36:50,120
Speaker 1: be very very drought tolerant. Plants Oh yeah, for sure,

618
00:36:50,120 --> 00:36:52,759
Speaker 1: but there are adapted to grow on these dunes. And

619
00:36:52,920 --> 00:36:54,920
Speaker 1: you know when you add a plant and a lizard

620
00:36:55,000 --> 00:36:58,880
Speaker 1: and an insect and a bird or something like that, Um,

621
00:36:58,960 --> 00:37:01,319
Speaker 1: you got yourself a nice little ecosystem going. And they're

622
00:37:01,400 --> 00:37:08,200
Speaker 1: definitely dune ecosystems that have developed over time. Beatles, crickets, Yeah,

623
00:37:08,560 --> 00:37:10,720
Speaker 1: I was looking up. I was like, our dung beetles

624
00:37:10,719 --> 00:37:15,080
Speaker 1: a dune bug. Apparently, my friend, dung beetles are an

625
00:37:15,120 --> 00:37:18,200
Speaker 1: anywhere beetle there on every continent, in just about every

626
00:37:18,239 --> 00:37:21,640
Speaker 1: ecosystem except for Antarctica. Really, yeah, we're gonna have to

627
00:37:21,680 --> 00:37:23,480
Speaker 1: do at least the short stuff on the dung beetle

628
00:37:23,520 --> 00:37:26,400
Speaker 1: because it's a poop beetle. It gathers poop, and I

629
00:37:26,440 --> 00:37:29,160
Speaker 1: think that's pretty neat. Yeah. I remember watching those guys

630
00:37:30,600 --> 00:37:34,640
Speaker 1: roll those little poop balls around and the what was

631
00:37:34,680 --> 00:37:38,680
Speaker 1: it the Planet Earth videos? Yeah, for sure, pretty great,

632
00:37:39,080 --> 00:37:41,440
Speaker 1: or maybe it was micro Cosmos. I can't remember it was.

633
00:37:41,520 --> 00:37:45,000
Speaker 1: They they're I mean, they're they're pretty frequent TV gets

634
00:37:45,400 --> 00:37:47,640
Speaker 1: in a lot of movies. Remember when they're on the

635
00:37:47,640 --> 00:37:50,680
Speaker 1: Man Drill Sister Show. Yeah, man, that was brought the

636
00:37:50,719 --> 00:37:56,920
Speaker 1: House down, Man Drill Sisters. Did you watch that? No?

637
00:37:57,760 --> 00:38:00,279
Speaker 1: I grew up in Ohio. We didn't have that. Oh

638
00:38:00,560 --> 00:38:02,719
Speaker 1: it was nation wide, you kidd me? No, I'm I'm

639
00:38:02,760 --> 00:38:05,080
Speaker 1: sure this is when people in New York City watched

640
00:38:05,080 --> 00:38:07,880
Speaker 1: he haw Right. Yeah, I know. Everybody was on cebes

641
00:38:07,880 --> 00:38:11,760
Speaker 1: and acted like they were truckers, wore truckers shirts. Crazy.

642
00:38:11,960 --> 00:38:15,040
Speaker 1: That was a cool little period in the seventies, you know. Yeah,

643
00:38:15,040 --> 00:38:19,280
Speaker 1: it was a little weird trucker culture took over yeph

644
00:38:19,440 --> 00:38:22,719
Speaker 1: What else is gonna hurt dunes? Deforestation? It sounds weird

645
00:38:22,760 --> 00:38:26,160
Speaker 1: to use that word about um sand dunes, but yeah,

646
00:38:26,200 --> 00:38:28,920
Speaker 1: I mean there's those coda for forests. Yeah, you can

647
00:38:28,960 --> 00:38:32,080
Speaker 1: DeForest e conifer forest just like any other forest. You jerk,

648
00:38:32,760 --> 00:38:34,759
Speaker 1: not you, I'm saying the person who cuts down the

649
00:38:35,120 --> 00:38:39,880
Speaker 1: conifer forest. That's right. Yeah, what else you got anything else? Uh? Now,

650
00:38:40,120 --> 00:38:42,400
Speaker 1: we talked about the singing sand dunes, which if you

651
00:38:42,440 --> 00:38:45,200
Speaker 1: haven't heard, go listen. It's pretty neat and it's really

652
00:38:45,239 --> 00:38:49,000
Speaker 1: just sand, dry sand falling over itself in an avalanche,

653
00:38:49,600 --> 00:38:52,080
Speaker 1: and again proof positive that sand dunes are alive and

654
00:38:52,080 --> 00:38:56,120
Speaker 1: can feel pain. That's right. Uh, that's it for sand dunes.

655
00:38:56,160 --> 00:38:57,680
Speaker 1: I think the last thing we have to say is

656
00:38:57,760 --> 00:39:00,840
Speaker 1: stay off the dunes. If it says day off the dunes,

657
00:39:01,239 --> 00:39:03,720
Speaker 1: just don't go on them, especially with your dune buggy.

658
00:39:04,800 --> 00:39:07,759
Speaker 1: Yeah that was that was another seventies little fad to

659
00:39:07,960 --> 00:39:11,160
Speaker 1: doom buggies. Yeah. They they also have beaches still where

660
00:39:11,160 --> 00:39:12,520
Speaker 1: you can drive your car. I'm not a big fan

661
00:39:12,560 --> 00:39:16,160
Speaker 1: of that. No, because even if it's not eroding the beach.

662
00:39:16,239 --> 00:39:18,919
Speaker 1: It's small gone the beach. Come on, it's just ugly.

663
00:39:18,920 --> 00:39:20,120
Speaker 1: You don't want to go to the beach and see

664
00:39:20,160 --> 00:39:24,280
Speaker 1: someone's stupid car. Nope, I can barely stand seeing people's

665
00:39:24,280 --> 00:39:28,719
Speaker 1: bare feet. Agreed. Uh, Well, since we said that, it's

666
00:39:28,840 --> 00:39:35,520
Speaker 1: time of course, friends for listener mail. Uh. Chuck got

667
00:39:35,560 --> 00:39:38,160
Speaker 1: me out of a parking ticket. Hi, guys, my name

668
00:39:38,200 --> 00:39:44,000
Speaker 1: is Camber M a grad student at Indiana University, Go Hoosiers. Uh.

669
00:39:44,280 --> 00:39:46,839
Speaker 1: But I work in Indianapolis, A fairly new listener about

670
00:39:46,880 --> 00:39:49,040
Speaker 1: six months. But I have to drive a lot for

671
00:39:49,080 --> 00:39:51,080
Speaker 1: school and work and family, so I spent a lot

672
00:39:51,120 --> 00:39:53,640
Speaker 1: of time listening to you guys. Uh. And I need

673
00:39:53,680 --> 00:39:55,360
Speaker 1: to let Chuck know that he saved me hundreds of

674
00:39:55,400 --> 00:40:01,440
Speaker 1: dollars with so you. Winding back to Friday night, I

675
00:40:01,480 --> 00:40:03,920
Speaker 1: was driving to Louisville, Kentucky, about a two hour drive

676
00:40:04,400 --> 00:40:08,120
Speaker 1: and might have been going seventy and get fold over

677
00:40:08,160 --> 00:40:09,480
Speaker 1: and I think this is it. I'm gonna have to

678
00:40:09,480 --> 00:40:12,440
Speaker 1: take out extra loans, get another job, My insurance is

679
00:40:12,480 --> 00:40:14,520
Speaker 1: gonna go up. And then I remember what Chuck said

680
00:40:14,520 --> 00:40:17,440
Speaker 1: about getting out of his speeding tickets and just surrendering

681
00:40:18,280 --> 00:40:21,239
Speaker 1: myself to the law, so I thought, why not give

682
00:40:21,239 --> 00:40:25,200
Speaker 1: it a try, and it worked. Not only do I

683
00:40:25,239 --> 00:40:27,040
Speaker 1: did I not have to pay for a park or

684
00:40:27,120 --> 00:40:30,200
Speaker 1: for a speeding ticket, but you saved my insurance from spiking.

685
00:40:30,880 --> 00:40:33,480
Speaker 1: I'll always remember this in future situations. But of course

686
00:40:33,800 --> 00:40:36,600
Speaker 1: I'm gonna work in my lad foot first. Thanks so

687
00:40:36,680 --> 00:40:38,480
Speaker 1: much for the advice, and thank you for the podcast.

688
00:40:38,560 --> 00:40:40,840
Speaker 1: Guys listen almost every day. I don't know what my

689
00:40:40,840 --> 00:40:44,640
Speaker 1: morning commute would be without it. That is from Camber Soulberger.

690
00:40:45,320 --> 00:40:49,520
Speaker 1: Nice first of all, Camber, great name, Cambra Solberger, even

691
00:40:49,560 --> 00:40:52,279
Speaker 1: greater name, that's one of the great names. And then

692
00:40:52,560 --> 00:40:55,160
Speaker 1: uh yeah, Chuck getting you out of a ticket. That's

693
00:40:55,200 --> 00:40:59,160
Speaker 1: just an all around fantastic listener mail Charles Greed. Well,

694
00:40:59,200 --> 00:41:01,680
Speaker 1: if you want to get in touch with us, like

695
00:41:02,000 --> 00:41:07,960
Speaker 1: Cambert Limburger Camembert Limburger did, you can go on to

696
00:41:08,120 --> 00:41:11,040
Speaker 1: stuff you Should Know dot com and check out our

697
00:41:11,080 --> 00:41:13,360
Speaker 1: social links. Or if you want to write us an email,

698
00:41:13,600 --> 00:41:16,200
Speaker 1: you can fill it out, smack it on the bottom

699
00:41:16,239 --> 00:41:20,000
Speaker 1: and send it off to Stuff Podcast at iHeart radio

700
00:41:20,200 --> 00:41:25,880
Speaker 1: dot com. Stuff you Should Know is a production of

701
00:41:25,880 --> 00:41:28,680
Speaker 1: iHeart Radios. How Stuff Works For more podcasts For my

702
00:41:28,719 --> 00:41:31,400
Speaker 1: heart Radio because at the iHeart Radio app, Apple podcasts,

703
00:41:31,440 --> 00:41:33,120
Speaker 1: or wherever you listen to your favorite shows,