According to a new study published in PeerJ, the Tyrannosaurus rex, the largest land predator to ever live, may have needed 35 to 40 years to reach its full, gigantic size. That’s significantly longer than scientists previously thought. A team of researchers analyzed fossilized thigh and shin bones from 17 T. rex specimens, the biggest […] The post T. Rex Took Way Longer Than We Thought to Get Gigantic appeared first on VICE .