Saturday, August 4, 2012 CNN.com - Top Stories: The tech behind the track at the games CNN.com - Top Stories CNN.com delivers up-to-the-minute news and information on the latest top stories, weather, entertainment, politics and more. The tech behind the track at the games Aug 4th 2012, 16:29 An expert explains the science behind the surface that may be helping Olympians run better times. You are receiving this email because you subscribed to this feed at blogtrottr.com. If you no longer wish to receive these emails, you can unsubscribe from this feed, or manage all your subscriptions Tweet