U.S. Olympic speed skaters adapt NASCAR 'bump drafting,' revolutionizing team event

Team U.S.A. with Heather Bergsma, right, Brittany Bowe, left, and Mia Manganello, center, competes during the quarterfinals of the women

U.S. Team Pursuit speed skaters will top speeds of 30 mph by pushing themselves around the track mere inches from each other.

(Image credit: John Locher)