A coating of iron on Komodo dragons' teeth could help keep them sharp for tearing into prey, as well as protect them from digestive acids. Marcos del Mazo / LightRocket via Getty Images Komodo dragons ...

Komodo dragon teeth are ironclad. Literally. The serrated edges and tips of the reptiles’ razor-sharp chompers are lined with a layer of iron, researchers report July 24 in Nature Ecology & Evolution.

There aren’t many scenarios in which getting a good look at a bunch of Komodo dragon teeth ends well. The massive lizard’s mouth holds 60 serrated teeth, each up to an inch long, that get replenished ...

Its teeth sport a rare iron mineral. When you purchase through links on our site, we may earn an affiliate commission. Here’s how it works. A weird mollusk, affectionately known as the "wandering ...