A couple million years ago, species of bear-sized beavers roamed North America. Learn more about how Castoroides lived in this episode of BrainStuff.
 Learn more about your ad-choices at https://www.iheartpodcastnetwork.com

A couple million years ago, species of bear-sized beavers roamed North America. Learn more about how Castoroides lived in this episode of BrainStuff. Learn more about your ad-choices at https://www.iheartpodcastnetwork.com

How Did the Bear-Sized Beaver, Castoroides, Work?

Whether the topic is popcorn or particle physics, you can count on BrainStuff to explore -- and explain -- the everyday science in the world around us.

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How Did the Bear-Sized Beaver, Castoroides, Work?

How Did the Bear-Sized Beaver, Castoroides, Work?