New Schutt Helmet: Vengeance (Rev.) – The Concussion Blog
Professor monitors concussions at Super Bowl - The Johns Hopkins News-Letter
Can a Better Football Helmet Save Your Kid's Brain? - Washingtonian
New Helmet Technology Aimed to Make Football and Other Sports Safer
How football helmets fail to protect against some of the most dangerous hits in the game - The Verge
NFL using helmet caps for player safety, research – News-Herald
Ex-NFL players six times more likely than the general public to report cognitive problems, study finds - The Boston Globe
Can a Better Football Helmet Save Your Kid's Brain? - Washingtonian
NFL hopes to reduce head injuries with helmet experiment
Future of NFL safety: Inside Vicis' high-tech football helmet production facility in Seattle – GeekWire
The Future of NFL Defenses Lies in a Lime-Green Dot - The Ringer
Explanation: NFL using helmet caps for player safety, research