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.
http://www.livescience.com/53032-dinosaur-blood-vessels.html
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.
http://www.livescience.com/53032-dinosaur-blood-vessels.html