Komodo dragons have iron-coated, serrated teeth, a study has found. Scientists have discovered that the edges of Komodo dragons’ teeth are tipped with the metal. The findings shed new light ...

Often when you overpack a grinder, you end up with a locking sensation because the teeth can't shred through the flower, but that hasn't been the case with this Sackville number. The sharp metal teeth ...

They're actually the longest teeth in the human mouth. 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.

They're actually the longest teeth in the human mouth. 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.