Bones and teeth can last far longer ... I should note that the experiments used to detect the dinosaur proteins, using a technology called mass spectrometry, are notoriously plagued by contaminants.
dinosaur shows and ridable dinosaurs. Fossils include T-Rex teeth, a triceratops horn and life-size dinosaur skull. Crews were busy on Thursday assembling the dinosaur extravaganza, which will ...
The hardened teeth and bone pieces and fragments are estimated ... a retired geologist discovered the remains of a dinosaur previously unknown to science. Nicknamed Buster, Ferrisaurus sustutensis ...