Most of our knowledge of very ancient life comes from fossilized remains of hard tissues—bones, shells, and teeth. Now, the exquisitely preserved fossil of a tiny mammal from the time of the dinosaurs reveals a variety of soft tissues, including skin, fur, and spines; even remnants of its external ear were fossilized.
read more: Breathtaking fossil of tiny mammal preserves fur and internal organs | Science/AAAS | News
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