Do they make dentures for sharks? In the future, they might need to, with recent research suggesting that sharks may lose their deadly bite to ocean acidification. Shark teeth are the envy of the ...

You probably don’t think much about teeth until a dentist brings them up. But across the animal kingdom, tooth counts can get wild fast. Some sharks go through thousands in a lifetime. Slugs carry ...

Growing up, I never loved jewelry. But I’ve been wearing the same necklace for the past year: a wrapped lemon shark tooth ...

While many people are scared of sharks thanks to their rows of razor-sharp teeth, the changing waters might be rendering the creatures from “Jaws” a little less fearsome. Growing acidity in the ...