
MI weekly selection #159
Humanities & Social Sciences • Science • Technology • Weekly Selection
Unfossilized dinosaur blood vessels discovered Blood vessels from an 80 million-year-old duck-billed dinosaur never fossilized and still hold tissue. The vessels are from the leg bone of a Brachylophosaurus canadensis found in Montana. To determine that the vessels were truly organic matter from the dinosaur and not bacteria, scientists used high-resolution mass spectroscopy and detected […]