Concussions drop in high school football with new techniques
NFL Helmet Challenge Raises the Bar for Helmet Technology and Performance, Awards $1.55 Million in Grant Funding to Help New Models Get on Field Faster
Making Football Safer Though Science — Daily Utah Chronicle
Helmet safety: Inside the complicated equipment industry - Sports Illustrated
New Stanford-Developed High-Tech Helmets Could Protect Football Players From Debilitating Concussions
High schools tackle football concussions after NFL lawsuit settlement
Football Concussions: Prevention, Diagnosis & Recovery
Penn football's quest to prevent and treat head injuries starts with a new helmet shell
NFL safety: How VICIS' position-specific helmets have become all the rage - The Athletic