A new way to study norovirus and a news roundup (7 November 2014)

Stephanie Karst discusses her team's successful efforts to culture norovirus in the lab and what this new system means for treatment and prevention. David Grimm brings daily news stories on counting virtual friends, drama at the center of the galaxy, and the birth of the penis. Hosted by Sarah Crespi. Learn more about your ad choices. Visit megaphone.fm/adchoices