August 12, 2009 6:45 AM

Science meets football: Players swallow electronic monitors

By gulping down a pill containing a battery, thermometer and radio transmitter, 18 University of North Carolina football players on Tuesday began sweating out data that will be used later this season to help determine whether higher body temperatures increase the possibility of concussions. The data also will help coaches better regulate drills during practice and during games in heat that often reaches the high 90s.

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