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Overview
What Makes These Dunes Sing?
Season 1
Episode 20
Why do dunes sing? Head into the mysterious world of sand with host Joe Hanson! Along the way we meet Dr. Melany Hunt and Dr. Nathalie Vriend who solved the longstanding mystery of why dunes sing.
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7:52
US streets are designed to move cars as fast as possible. Is it time for that to change?
10:39
Protestors protect threatened forests that contain rare ecosystems at risk of destruction.
9:29
Follow host Joe Hanson as he learns why his home state of Texas is turning to wind power.
8:54
How billions of pounds of garbage gets turned into energy.
8:24
To prevent avalanches, you have to do something counterintuitive — you have to start them.
9:46
Traffic is a problem we need to finally solve, and automated vehicles might help us do it.
7:46
It’s one long mile of towering ice cliffs and it’s all human-made. How do they build it?
7:49
Dive into the beauty and physics of drones with an FPV pilot.
8:28
Bison could be the key to saving America’s lost prairie.
7:19
Who made this mysterious collection of rock paintings carved into the earth?
8:00
Red River Gorge is a haven for rare species and a place of many surprises.