Scientists calculated how many T. Rexes lived on Earth — here’s how
The Tyrannosaurus rex is perhaps the most iconic of all the dinosaurs, immortalized in film, children’s toys and silly Halloween costumes. Its name translates into “king of the tyrant lizards,” and its fearsome profile makes it clear why: T. Rex had a massive head, powerful jaws, razor-sharp teeth and a whip-like tail. (Although its puny […]