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Ancient Fish Fossil Sheds Light On Modern Jaws

NPR - Rhitu Chatterjee

A newly discovered fossil of a fish in China changes what scientists know about the origins of jaws. It turns out, human jaws are remarkably similar to the jaw of this 419-million-year-old fish. That suggests jaws evolved much earlier than previously thought. Transcript STEVE INSKEEP, HOST: OK. Now, …

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