which slowly dissolves bone, including fossilized bone—but not soft tissues. One Friday night in January 2004, Wittmeyer was in the lab as usual. She took out a fossil chip that had been in the ...

Illuminated by a strong light positioned nearly parallel to the surface of the bone, the V-shaped lines were clearly there on the fossil. There was no mistaking what they meant. She'd seen them ...

According to Phys.org, Professor Janis and her team analyzed more than 300 small fossilized bone fragments, specifically the ends of limb bones from marsupials and placental mammals found in ...