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FULL EPISODES (138)
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S3 E27: How Humans Lost Their FurWe’re the only primate without a coat of thick fur. It turns out that this ...We’re the only primate without a coat of thick fur. It turns out that this small change in our appearance has had huge consequences for our ability to regulate our body temperature, and ultimately, ...
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S3 E26: The Rise and Fall of the Tallest Mammal to Walk the EarthIt arose from rhino ancestors that were a lot smaller, but Paraceratherium would ...It arose from rhino ancestors that were a lot smaller, but Paraceratherium would take a different evolutionary path. Believe it or not, it actually became so big that it probably got close to what ...
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S3 E24: Why Do Things Keep Evolving Into Crabs?For some reason, animals keep evolving into things that look like crabs, ...For some reason, animals keep evolving into things that look like crabs, independently, over and over again. What is it about the crab’s form that makes it so evolutionarily successful that ...