Research groups around the world are working to find ways to implant or grow real biological teeth in a human jaw.

Fixing my teeth has been a lifelong quest. I had my first set of fixed braces (aka train tracks) at 13 in order to fix a gap ...

Ask the publishers to restore access to 500,000+ books. An icon used to represent a menu that can be toggled by interacting with this icon. A line drawing of the Internet Archive headquarters building ...

Javascript must be enabled to use this site. Please enable Javascript in your browser and try again. Meet the Winners of This Year’s AARP Purpose Prize. Each got ...