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Beavers Are Literally Metal

Iron, to be precise.

It’s in their enamel, and it’s the reason behind the orange colouring.

It makes the mechanical stress of cutting down and dragging a tree with their faces all the more possible.

Researchers are using this information to look at ways of strengthening human teeth.

There’s an article in our story about one man’s fatal encounter with a beaver, if you’re so inclined.