If every animal that ever lived became fossilized, we'd be swimming in seas of fossils right now. Learn why we aren't in this classic episode of BrainStuff.
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How Did Beer Help Sell the Myth of Custer's Last Stand?
10:08

How Does Bioluminescence Work?
12:15

How Is Maillardet's Automaton Still Wowing Us After 200 Years?
09:28