"As extremely hot temperatures continue to hit much of the country, high school football teams are busy getting ready for the fall season. Last year, five high school football players died of heat stroke. Across the country, experts are trying to prevent those kinds of tragedies."

"At the University of Connecticut's Korey Stringer Institute, researchers study the effects of extreme heat on athletes.

A recent experiment at the institute — named after an NFL lineman who died in 2001 of heat stroke — had doctoral fellow Dave Hooper running on a treadmill in a 96-degree room. Hooper was wearing shorts and a T-shirt."

Craig LeMoult reports for NPR's Morning Edition August 28, 2012. [2]