Heme found in 115m-year-old dinosaur bone

Reported by 1 outlet · first reported Nov 2, 3:00 PM ET

Chemical tests on Aratasaurus bone found heme, which carries oxygen in blood.

Why it matters

It may show soft-tissue molecules survive far longer than thought.

Fossils rarely preserve organic material.

This summary was written automatically from the reporting linked above; follow the sources for the full story. How One Turn works.