News

Dinosaur debate gets cooking

Researchers deflate evidence for cold-blooded dinosaurs

By
3:22pm, June 27, 2012

Life stories written in mammal bones are being used to debunk a key argument for cold-bloodedness in dinosaurs.

Annual growth lines etched in the femurs of 115 wild warm-blooded mammals such as giraffes, reindeer and gazelles are similar to those previously seen in the bones of dinosaurs and other reptiles, researchers report online June 27 in Nature.

This article is available only to subscribing members. Join SSP today or Log in.

More from Science News