Images of the three-horned dinosaur Triceratops battling with conspecifics or the predatorTyrannosaurus have become ingrained in both the scientific and the popular mind. Lesions (wounded or diseased areas) on the horns, frill, and face of Triceratops specimens have been cited as evidence in support of the defensive and offensive nature of the animal’s cranial ornamentation . An alternative interpretation posits that […]