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Dr. Jason Downs - A Brief History of Spines Episode | Science Channel Features

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Dr. Jason Downs - A Brief History of Spines

Dr. Jason Downs - A Brief History of Spines

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DATE : Thu, 6 Nov 2008 14:00:00 EST
Entered in Database : 2008-11-06 19:00:00
length : 24211589
Link to the Show / Show Notes

A recent discovery has patched a hole in the fossil record, telling us more about how creatures changed on the way to living on land. But how did the spine actually come to exist, and why is it so universal among land-based creatures?


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