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Eons
How Earth's First, Unkillable Animals Saved the World
Season 2
Episode 30
They have survived every catastrophe and every mass extinction event that nature has thrown at them. And by being the little, filter-feeding, water-cleaning creatures that they are, sponges may have saved the world.
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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.