So what are these long, sharp teeth doing among our short, stubby ones? Well, contrary to popular belief, it's not for tearing and ripping meat. The real reason is actually much more romantic than ...

Ever wonder why sharks have so many differently shaped teeth or why they keep regrowing throughout their lives? Dr. David ...

Learn more about some of the best new discoveries: ...

The study, led by scientists at the University of Bristol in collaboration with Monash University, shows that long, sharp blade-like teeth gave saber-teeth a real advantage as specialized weapons ...

The summaries below were drafted with the help of AI tools and edited by journalists in our News division. All linked stories were reported, written and edited by McClatchy journalists. Unique ...