Drug-resistant bacteria kills, even in top hospitals. But now tough infections like staph and anthrax may be in for a surprise.


Nobel-winning chemist Kary Mullis, who watched a friend die when powerful antibiotics failed, unveils a radical new cure that shows extraordinary promise.

Kary Mullis won the Nobel Prize in Chemistry for developing a way to copy a strand of DNA.

His technique, called PCR, jump-started the 1990s’ bio-revolution.