The target: A budding pimple just below the bottom lip. The weapon: the $225 Zeno, a cell-phone-sized device said to kill emerging pimples with controlled heat. Made by Houston-based Tyrell Inc., and ...

Doctors may soon have a new zit zapper, thanks to the discovery that a harmless virus living on human skin seeks out and kills pimple-causing bacteria. A paper on this pimple enemy is in the latest ...