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It's Okay to Be Smart
Sand Dunes Shouldn’t Exist (Here’s Why They Do)
Season 9
Episode 13
How can sand, blown by the wind, form such intricate and beautiful patterns as ripples and dunes? The answer is a surprising secret of self-organization. In this video, we travel to Great Sand Dunes National Park in Colorado to climb the largest sand dunes in North America and bring you the science of how wind and sand combine to create ordered landforms out of chaos. The science must flow.
12:54
Addressing a few of the most common myths & misunderstandings using scientific evidence.
7:25
Wearing a mask is a cheap and easy way to help stop the spread of COVID-19.
8:11
Why don’t WE have our skeletons on the outside? This is the story of bones!
7:46
Or… maybe the question of what is and isn’t a dinosaur goes deeper than we think?
13:39
No flying animal alive today comes close to their huge size.
13:44
Why do viruses like SARS-CoV-2 happen and why are they becoming more frequent?
9:57
Learn about this Nature Challenge.
2:13
Evolution has given us the gifts we need to survive this difficult time. Here's how.
10:52
Celebrating 30 years of the Hubble Space Telescope.
9:52
Let’s dig into our evolutionary past to try and find an answer.
13:12
Here’s the science of handwashing!
7:35
Stay informed. Stay cautious, but not scared.