(The presence of iron gives the teeth a reddish-brown color.) "A beaver's teeth are chemically different from our teeth, not structurally different," Joester said. "Biology has shown us a way to ...

A recent study showed that trace minerals give beaver teeth their strength, and iron provides that rusty color. Beavers’ leathery tails have many functions: A brace as they’re sawing down ...

This baby beaver named Petunia is too precious for ... Their teeth are coated in iron which gives them an orange color. Their teeth are so powerful that they can gnaw right through tree trunks.

The orange color of their teeth, a trait they share with beavers, comes from having a special, strong enamel that includes iron. Unlike beavers, North America's largest rodent, nutria have a long ...

beavers, coypus, squirrels, marmots, rats, voles and mice. To investigate the structure, elemental composition and color transmission of the enamel, thin slices were taken from different sections of ...

Well-known for their teeth and tails, beavers are great swimmers and use their teeth to chew down trees to build dams. (Photo: Wayne Duke/Can Geo Photo Club) As one of Canada’s most iconic animals, ...

Even beavers visit the dentist. Chipper, an 8-year-old American beaver, has a history of dental issues. His teeth have been closely watched since 2007. National Zoo veterinarian Carlos Sanchez and ...

Iron teeth aren’t unique to these reptiles — beaver teeth get their toughness from iron-infused enamel, says paleontologist Aaron LeBlanc of King’s College London. But in Komodo dragons ...