Friday, August 7, 2009

PICTURES: Prehistoric Spiders' Weapons Revealed via 3-D

August 6, 2009—
It was ever spider for itself in the brutal pre-dinosaur world of the Carboniferous period, new 3-D images reveal. About 359 to 299 million years ago, Earth teemed with newly evolved insects and hungry amphibians that had just crawled onto land.

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