What Do We Do When Antibiotics Don’t Work Any More?

Penicillin changed everything. Infections that had previously killed were suddenly curable. But as Maryn McKenna shares in this sobering talk, we've squandered the advantages of penicillin and the antibiotics that followed. New, drug-resistant bacteria mean we're entering a post-antibiotic world -- and it won't be pretty. There are, however, things we can do ... if we start right now.