contagion

We asked epidemiologists and doctors to assess the science in the 2011 movie, in which the character played by Gwyneth Paltrow starts a global pandemic. Spoiler alert: It does a pretty good job.

It's a particularly harsh flu season. In the close quarters of dorm rooms and cafeterias and study groups, the flu will come to college campuses. And when it does, one scientist will be ready.

Ten thousand years ago, many of our deadly human diseases didn't exist. What happened?