Thursday, September 22, 2011

Live Science

What's Hot This Week

Dino-Killing Cosmic Impact Wiped Out Ancient Birds, Too

by Charles Choi, LiveScience Contributor

Although birds survived the mass extinction that claimed their brethren, the rest of the dinosaurs, birds did not emerge unscathed, scientists now find.

'Switchblade' Claw Reveals How Dino Fought and Killed

by Charles Q. Choi, LiveScience Contributor

Battle damage linked to the fearsome curving talon of a newly discovered dinosaur relative of Velociraptor is shedding light on how it was used as a weapon, scientists find.

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