Add Yahoo as a preferred source to see more of our stories on Google. A Texas angler caught a South American piranha relative with "human teeth" at a local lake Sunday. The a-pacu-lypse is upon us. As ...

View post: Savannah Guthrie and Siblings Tearfully Plead With Mom's Abductor: 'We Are Ready to Talk' The next time you wince from an ice-cold drink or a too-hot slice of pizza, blame your ancestors.

View post: We Already Have a Contender for the Best Movie of 2026 A new study, published on May 21 in the journal Nature, has revealed surprising information about the origins of human teeth. Our ...

Like most mammals, humans are diphyodont: We have two sets of teeth – baby teeth and adult teeth. The technical term for our baby teeth is deciduous teeth because they fall out, the same way deciduous ...

When you lose a baby tooth, an adult one grows in its place. But if you lose an adult tooth, your options are limited to dentures, titanium implants, or a stylish gaping hole. Soon, however, there ...

Breakthroughs, discoveries, and DIY tips sent six days a week. Terms of Service and Privacy Policy. As humans, one of our biggest evolutionary advantages is our ...