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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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9:48
Why did vertebrates conquer both the land and the air before the depths of the sea?
8:27
Long-extinct dinosaurs may still haunt us—possibly driving us to age faster than any vertebrate.
9:34
Only twice in Earth's history have supermountains risen, and both times reshaped life forever.
10:05
500+ pterosaur fossils found at Solnhofen may be hiding a dark secret distorting our view of them.
11:08
Why are our teeth so sensitive? The answer originates in the armored skin of ancient fish.
10:45
For flowering plants to take over, they first helped burn the old world—and then put the fires out.
11:37
Ancient weeds mimicked crops, tricking farmers into domesticating friends—and enemies—by mistake.
12:14
Brains and brawn aren’t opposites—they’ve been linked far longer than we might think.
9:35
Tiny mammals and a group of lizard-like reptiles shared a trait that helped them survive extinction.
10:43
Where the space rock came from 66 million years ago that crashed and killed the dinosaurs.