Racehorses Haven't Reached Peak Speed Yet

Scientists may have settled a long-standing debate in horse racing: Are thoroughbreds still getting faster, or have they reached their maximum speed? Past studies examining this question concluded that racehorses have hit their biological speed limit, but researchers from Exeter University in the United Kingdom say those findings were based on data that didn’t tell the entire story. And although American Pharaoh wouldn’t stand a chance racing against 1973’s Triple Crown winner Secretariat