Scientists found a Tyrannosaurus Rex tooth embedded in the tailbone of a duckbilled dinosaur. Now, everybody wants to know: Does this mean T.Rex really was a predator, rather than a scavenger, as has been proposed in previous studies? The correct answer is "STFU." That's my paraphrase of John Hutchinson — who studies the biomechanics of large animals, including T.Rex. He says the "controversy" here doesn't really exist
. That's because most carnivores are both
predators and scavengers and most paleontologists would agree that T.Rex is no exception to that rule. Read the rest
An interview with the co-discoverer of the structure of DNA.