130-Million-Year Old Proteins Still Present in Dinosaur-Age Fossil


EXCERPT: Microscopic pigment structures and proteins that graced the feathers of a Cretaceous-age bird are still present in its 130-million-year-old fossil, a new study finds. The results, which confirm the oldest evidence of the structural protein beta-keratin, show that molecules can survive in their original state for hundreds of millions of years without fossilizing, and that researchers can use modern techniques to identify them, the researchers said....

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