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What Happened To The Other Mesozoic Mammals?
Season 7
Episode 8
In 2003, a fossil belonging to a mammaliaform was discovered in an ancient lakebed in what's now China. It was an almost complete skeleton the size of a platypus, a find that complicated the history of mammaliaforms. It painted a picture of their explosive diversification, their mysterious disappearance, and how our own ancestors might have survived thanks to a leg up from some leafy allies…
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10:42
Our brains actually shrank relative to our bodies in evolution.

7:23
Hidden in rocks may have animal kingdom’s oldest known predator.

9:26
Hidden in rocks may have animal kingdom’s oldest known predator.

8:09
We explore what we have in common with our ancient cousins.

9:19
We have become the ultimate niche builders.

9:58
Beneath their shell, the crustaceans hold an evolutionary mystery.

7:20
The answer is part of a decades-long debate.

10:04
In Australia, evolution built a family of deadly predators.

7:28
We focus on the DNA we got from our Neanderthals.

7:20
Seahorses are one of the ocean's worst swimmers but their origin story is great.

8:21
In recent years, Archaea's connection to us has been pretty huge and surprising.

8:53
Charles Darwin encountered a tiny fox-like creature during his famous voyage.