September 23, 2016 2:39 pm Smart Football Helmets The Friday night lights will illuminate high school football stadiums across the country this evening — while new helmet technology is shedding light on one of football’s long-time concerns: Concussions. US & World Videos 0:53 NFL announces slate of 2024 international games 0:49 Hawkeyes coach Lisa Bluder announces retirement 0:39 How Caitlin Clark fared in Fever WNBA debut 2:09 2024 NBA Draft: Top prospects, predictions, where will Bronny James fall? 2:20 2024 PGA Championship preview