When you think "sand dunes" you probably wouldn't think to look up in the northern reaches of Canada, but there lies one of earth's most unique habitats.
Hosted by: Hank Green
SciShow has a spinoff podcast! It's called SciShow Tangents. Check it out at http://www.scishowtangents.org ---------- Support SciShow by becoming a patron on Patreon: https://www.patreon.com/scishow ---------- Huge thanks go to the following Patreon supporters for helping us keep SciShow free for everyone forever: