Numerous posts on social media claim that South Korean researchers developed a patch that can regrow teeth. This is false.

A shark’s menacing teeth can scare anyone out of the water — but one aspect of some sharks' existence may be worth emulating: their ability to regrow teeth. An experimental medicine in Japan that ...

Imagine this: you accidentally lose an arm or a leg, and instead of rushing to the hospital, your body just grows it back. Sounds like something out of a superhero movie, right? But for many creatures ...