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Micro-Biology: Crash Course History of Science #24

It's all about the SUPER TINY in this episode of Crash Course: History of Science. In it, Hank Green talks about germ theory, John Snow (the other one), pasteurization, and why following our senses isn't always the worst idea.

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S07E161 - ANOVA Part 2: Dealing with Intersectional Groups: Crash Course Statistics #34
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