Dinosaurs evolved fancy head gear to woo mates, but it had an unintended consequence

Dinosaurs evolved fancy head gear to woo mates, but it had an unintended consequence

You probably wouldn’t have missed the largest dinosaurs roaming Earth during the Jurassic period about 150 million years ago. These theropods walked on two feet, often weighed about as much or more than a small car, and in some cases were 40 ft long and 12 ft tall. But just in case their size didn’t…