05:13
Be Smart
Why Do Clouds Stay Up?
There's nothing wrong with having your head in the clouds
There Was No First Human
Join Joe Hanson as he explores curiosity and illuminates the science behind… well, everything.
There Was No First Human
Season 2 Episode 24 | 3m 44s
If you traced your family tree back 185 million generations, you wouldn't be looking at a human, a primate, or even a mammal. You'd be looking at a fish. So where along that line does the first human show up? The answer may surprise you
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