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 ...

Teeth help animals bite and chew food. Meat-eating carnivores tend to have sharp teeth to sink into their prey, while herbivores tend to have flatter teeth to grind down their plant-based meals. Some ...

A new study reveals your molars may have more in common with prehistoric body armor than you’d expect. The next time you wince from an ice-cold drink or a too-hot slice of pizza, blame your ancestors.

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 ...

Losing a tooth is tough. If we lose the small living structures that help us chew our food, we're left with the options of replacing them with dentures or implants that can be costly. Beyond that, ...

The a-pacu-lypse is upon us. As if US waterways weren’t teeming with enough invasive fish of late, a Texas angler caught a South American piranha relative with “human teeth” at a local lake on Sunday.

How did two sets become standard for human beings?