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9:37
420 million years ago, some fish wore armor – and it may have served a surprising purpose.
7:59
In the 1800s, miners found beautifully preserved fossils of animals from the Eocene.
8:38
Insects were the first animals to fly. Scientists are still working on how it happened.
9:20
To celebrate our first anniversary together, we’d like to answer some of your questions.
6:54
Tyrannosaurus rex had tiny arms. How did this happen, and why did it keep them?
8:40
Before a group of fish could live on dry land, they acquired the ability to breathe air.
7:29
Where did viruses come from and how did they evolve? Are viruses alive?
9:07
Why the Triassic was full of creatures that look a lot like other, more modern species.
7:31
234 million years ago, the climate suddenly changed for the wetter.
12:34
The Cenozoic marks the rise of organisms that look a lot like us.
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In 1912, a fossil collector discovered the world’s only known semi-aquatic dinosaur.
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Reptiles in time grew to become some of the largest forms of life ever to exist on earth.
