Oldest known case of dandruff found in a dinosaur fossil
The oldest known case of dandruff has been identified in a small meat-eating dinosaur that roamed the Earth about 125 million years ago. Like human dandruff, the fossilised skin flakes were made of tough cells, containing the protein keratin, researchers found. "Until now we've had no evidence for how dinosaurs shed their skin," said a researcher at University College Cork.