Welcome to a thrilling journey into the ancient past, where two colossal creatures collide in an epic battle for dominance. In this prehistoric showdown, we witness the formidable T-Rex, ruler of the... Read more »
Ever wonder why the dinosaurs disappeared? HHMI BioInteractive investigates the cause of the mass extinction at the end of the Cretaceous period—and the clues come from paleontology, chemistry, physics, and biology. This... Read more »
