Proceedings of the National Academy of Sciences

Dinosaurs About To Extinct; Even Before Giant Asteroid Hit Earth, Study Shows [VIDEO]

Apr 20, 2016 AM EDT A new research indicates that dinosaurs were on their way to going extinct millions of years before the catastrophic asteroid wiped them out.

Dolphins Call Out to Each Other through Signature Whistles, Study

Jul 23, 2013 AM EDT Dolphins use 'signature whistles' that act as names to identify and communicate with each other, according to a new study conducted by marine biologists from the University of St. Andrews in Scotland.

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