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Eons
Where Did Water Come From?
Season 5
Episode 1
Mercury, Venus, and Mars are all super low on water – so where did ours come from and why do we have so much of it? We think our water came from a few unlikely sources: meteorites, space dust, and even the sun.
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Our brains actually shrank relative to our bodies in evolution.
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Hidden in rocks may have animal kingdom’s oldest known predator.
9:26
Hidden in rocks may have animal kingdom’s oldest known predator.
9:58
Beneath their shell, the crustaceans hold an evolutionary mystery.
10:04
In Australia, evolution built a family of deadly predators.