What’s so great about the Great Lakes? - Cheri Dobbs and Jennifer Gabrys
45:59
The Mysteries Of North America's Great Lakes | Naked Science | Spark
4:19
Why animals help each other - Ashley Ward
5:25
Why did Megalodon go extinct? - Jack Cooper and Catalina Pimiento
4:58
O que acontece quando os continentes colidem? — Juan D. Carrillo
8:16
North America's Forgotten Great Lakes
9:14
The Ice Beard Surfers of Lake Superior | Local Legends
5:56
Como reconhecer uma distopia — Alex Gendler
16:11