Early humans had some pretty odd theories about their bodies—and most of them were entirely inaccurate. Some of these ideas led to treatments that were plain ineffective, but some were downright harmful! Join Hank Green for a fun new episode of SciShow, all about our bodies and the theories of ancient humans. Let’s go!
Head to https://scishowfinds.com/ for hand selected artifacts of the universe!
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50% of College Students Think We See Like Superman, Despite Perception Course
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