410: Flexible fossil shows tyrannosaur's softer side - Preserved soft tissue could reveal inner workings of dinosaur bones.

news @ nature.com - Flexible fossil shows tyrannosaur's softer side - Preserved soft tissue could reveal inner workings of dinosaur bones.:

A thigh bone from a 70-million-year-old Tyrannosaurus rex has given fossil experts an unexpected treasure: well-preserved soft tissue. The stretchy material, which may contain the remnants of blood vessels and cells, could shed light on how dinosaurs' bodies worked.

This could help us understand dinosaurs and the evolution of life, especially birds.