Have you ever wondered how structures like limbs and jaws evolved? Paleontologist Michael Coates joins us to discuss how the devastating End-Devonian extinction impacted vertebrate life on Earth.

End-Devonian Extinction -- Groks Science Show 2012-08-22

Weekly science radio program hosted by Dr. Charles Lee and Dr. Frank Ling.  Each show features interviews with scientists and technical innovators, humorous commentary on recent discoveries, plus the Grokotron 5000 and the World Famous Question of the Week!  Tune in every week and rediscover the world as you think you know it.

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Weekly science radio program hosted by Dr. Charles Lee and Dr. Frank Ling. Each show features interviews with scientists and technical innovators, humorous commentary on recent discoveries, plus the Grokotron 5000 and the World Famous Question of the Week! Tune in every week and rediscover the world as you think you know it.

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End-Devonian Extinction -- Groks Science Show 2012-08-22

End-Devonian Extinction -- Groks Science Show 2012-08-22

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