While bones can regrow themselves when they break, teeth aren’t so lucky, and that leads to millions of people worldwide suffering from some form of edentulism, a.k.a. toothlessness. Now ...

Last month, two-time Oscar winner Gene Hackman and his wife of more than 30 years, classical pianist Betsy Arakawa, were both found dead in their home in Santa Fe, New Mexico. Since then, the BBC ...