Breakthroughs, discoveries, and DIY tips sent every weekday. Terms of Service and Privacy Policy. Keeping our teeth clean has been a pain for thousands of years, with ...

The human body is a marvellous thing. But like anything built by evolution, it has plenty of flaws. Consider teeth. Whereas sharks grow new teeth throughout their lives, adult humans get one set, ...

A huge study from Umeå University in Sweden has found that both your genes and your daily habits—like your weight, how much ...