dinosaur blood vessels survive 80 million years without fossilizing
Dinosaur blood vessels survived 80m yrs without fossilizing
Tiny, delicate vessels that carried blood through a duck-billed dinosaur 80 million years ago never fossilized and still contain the beast's tissue, a new study finds.
December 12, 2015
Dinosaur blood vessels survived 80m yrs without fossilizing
Tiny, delicate vessels that carried blood through a duck-billed dinosaur 80 million years ago never fossilized and still contain the beast's tissue, a new study finds.
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