We Can Make Football Safer - Scientific American
Building a Better Helmet for a Dangerous Game
Gallaudet University to play with new helmet tech developed by AT&T
Football helmet with liquid padding may prevent concussions
New Helmet Technology Aimed to Make Football and Other Sports Safer
New tests for helmets proposed in concussion fight
A Helmet Shortage Is Hitting High School Football Across the Country - The New York Times
Riddell launches Axiom, latest helmet to combat concussions
Head Injuries & American Football - Ethics Unwrapped
Accelerometers Could Finally Fix the NFL's Concussion Crisis