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Original Proteins Found in Fossil Sea Turtle

The fossil of a sea turtle said to be 54 million years old still has original proteins of pigment and muscle.

More Things You Didn’t Know About Your Body

You can live in it without knowing much about it, but these facts should add to your sense of awe.

Spiky Dinosaur May Have Been a Softy

Soft-tissue remains on an armored dinosaur may indicate a role other than warfare. Incidentally, how old are those red crusts, really?

More Original Protein Found in Older Bird Fossil

The new discovery from China dates back 130 million years on the evolutionary timeline.

More Original Dinosaur Protein Found

This time Mary Schweitzer's team found keratin protein on a claw of an ostrich-sized dinosaur from Mongolia.
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