The Nature Of Idaho: Idaho Museum of Natural History

First, though, we've got nature in the news.

Yeah, Leif, you know, enamel is the hard outer covering that shields our teeth from pressure, temperature changes, acid, and everyday wear.

It is the hardest tissue in the human body, if you did not know.

Enamel is-

Yeah

... our friend.

Yes.

[laughs]

But it doesn't contain any living cells.

It does not.

So it cannot repair itself.

No.

Once it wears down, it's worn down.

Don't chew on your car keys.

Absolutely not.

[laughs]

Um, well, we've got some scientists at the University of Nottingham School of Pharmacy and Department of Chemical and Environmental Engineering-

Say that five times fast

... okay, that is-

[laughs]

...

the University of Nottingham School of Pharmacy and Department of Chemical and Environmental Engineering, who have developed a material that imitates the biological processes that form enamel-

Really?

... naturally.

That's cool.