Safety and style meet in football helmets - Waynesburg University Athletics
Armor on the Field: The NFL's Headlong Race to Build the Unbreakable Linebacker
Helmet sensors become mandatory equipment in Arena Football League
Football Concussions: Prevention, Diagnosis & Recovery
Student research takes aim at concussions
This Helmet Will Save Football. Actually, Probably Not. - The New York Times
Big Changes To NFL Helmets Coming Soon? - Daily Norseman
Gallaudet University to play with new helmet tech developed by AT&T
Fight Against Concussions: New Tests Could Improve Football Helmets
How football helmets fail to protect against some of the most dangerous hits in the game - The Verge
Experimental Helmet Aims To Fix Football
Head Injuries & American Football - Ethics Unwrapped
NFL To Introduce New Football Helmets - Big Blue View