Paleontologists Discover New Mammal Fossils Hidden in Rocks
Season 46
Episode 17
About the Episode
Hidden inside ordinary-looking rocks, an astonishing trove of fossils paints a dramatic picture of how rat-sized creatures ballooned in size and began to evolve into the vast array of species—from cheetahs to bats to whales to humans—that rule our planet today.
Aired:
| Expires: | Runtime: 5m 44s
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Extras
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Secrets of the Forest Preview
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If the universe as we know it started with the Big Bang, will it also have an end?5:07 -
Building Blocks of Life Discovered on Distant Asteroid
Scientists have discovered the building blocks of life in samples retrieved from a distant asteroid.6:03 -
Revolutionary War Weapons Preview
Explore key military technologies in the American colonies’ fight for freedom.0:30 -
What Went Wrong on the Dali Before the Baltimore Bridge Collapse
The container ship Dali lost power causing it to crash into Baltimore’s Key Bridge.2:57 -
What Caused Baltimore’s Key Bridge to Collapse?
Engineers explain how a vulnerability made the bridge open to catastrophe.2:57 -
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