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Paleontologists Discover New Mammal Fossils Hidden in Rocks
Clip: Season 46 Episode 17 | 5m 44sVideo has Closed Captions
Stunning new mammal fossils were hiding in plain sight.
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.
National Corporate funding for NOVA is provided by Carlisle Companies. Major funding for NOVA is provided by the NOVA Science Trust, the Corporation for Public Broadcasting, and PBS viewers.
![NOVA](https://image.pbs.org/contentchannels/iAn87U1-white-logo-41-7WCUoLi.png?format=webp&resize=200x)
Paleontologists Discover New Mammal Fossils Hidden in Rocks
Clip: Season 46 Episode 17 | 5m 44sVideo has Closed Captions
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.
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NOVA Labs
NOVA Labs is a free digital platform that engages teens and lifelong learners in games and interactives that foster authentic scientific exploration. Participants take part in real-world investigations by visualizing, analyzing, and playing with the same data that scientists use.Providing Support for PBS.org
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Video has Closed Captions
Amazing fossils reveal how mammals took over after an asteroid wiped out the dinosaurs. (26s)
Providing Support for PBS.org
Learn Moreabout PBS online sponsorshipNational Corporate funding for NOVA is provided by Carlisle Companies. Major funding for NOVA is provided by the NOVA Science Trust, the Corporation for Public Broadcasting, and PBS viewers.