Not all dinosaurs had huge teeth and a taste for flesh, but new research suggests that at least one scrappy plant-eating dinosaur was a talented fighter, waging battle with its best weapon: a hard head.
Scientists for years have theorized that certain dinosaurs head butted, with the animals smashing their heads into each other to determine which fighter possessed the best natural crash helmet. Now a new study in PLoS One supports that such behavior did indeed take place.
