These Triceratops Teeth Could Still Bite Today | Video

When Gregory Erickson and Brandon Krick cut open 66 million-year-old Triceratops fossil teeth they found five different well-preserved tissue types, suggesting the dinosaurs could chew a wide range of dietary choices. And any of these fossils “would function if you put it in an animal today."

credit : AAAS / Carla Schaffer