The Tech Changing Horse Racing

Ron Garrison/Lexington Herald-Leader via Getty Images This month, thoroughbred horses will race down the one-mile-long Churchill Downs track in Louisville, Kentucky, for the 140th year. Although the Kentucky Derby is steeped in tradition, horseracing embraces new science and technology. 1) RACE TRACK While Churchill Downs is dirt, synthetic tracks are becoming popular. One study found that fatal horse injuries dropped by 37 percent on such tracks. Other experts think they may cause more minor in...