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Duration: 04:39 minutes Upload Time: 2007-03-25 16:52:56 User: kipesquire :::: Favorites :::: Top Videos of Day |
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Description: Clip from Carl Sagan, Cosmos, Episode 2 on artificial selection and Heike crabs. |
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Duration: 04:39 minutes Upload Time: 2007-03-25 16:52:56 User: kipesquire :::: Favorites :::: Top Videos of Day |
|
Description: Clip from Carl Sagan, Cosmos, Episode 2 on artificial selection and Heike crabs. |
|
Comments | |
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