Brace yourself — a new “miracle” drug that could regrow your own teeth is in the works. Researchers in Japan are currently working on a medication that would allow people to grow a new set of teeth, ...

Sharks' teeth—some of nature's sharpest and most formidable weapons—may not withstand the effects of future ocean acidification, new research suggests. Scientists at the Heinrich Heine University ...

But if washing out the minty aftertaste of the paste is absolutely necessary, then it is best to rinse out 20 minutes after the initial brush or take a tiny sip of water. Getty Images/iStockphoto This ...

Behind the shark's smile lies an unsuspected fragility: the increasing acidity of the oceans is eroding the structure of their teeth, eventually cracking, deforming, and causing them to fall out. Here ...

Scientists studied how the sea creatures, also known as chimaeras or ghost sharks, ended up with one of evolution’s most bizarre appendages. By Jack Tamisiea Life in the ocean’s dark depths can be ...