Animals with the most teeth: Sharks are probably the first animal that comes to mind when you think of one with a lot of teeth, but some of the world's toothiest animals aren't even predators. Nature ...

Behind the shark's smile lies an unsuspected fragility: the increasing acidity of the oceans is eroding the structure of their teeth, eventually cracking, deforming, and causing them to fall out. Here ...

How will the climate crisis affect one of the ocean’s fiercest predators? New research published Wednesday has examined what might happen to sharks’ highly specialized, flesh-cutting teeth. As carbon ...

Sharks' teeth—some of nature's sharpest and most formidable weapons—may not withstand the effects of future ocean acidification, new research suggests. Scientists at the Heinrich Heine University ...