Find out how modern football helmets attempt to limit brain injuries | Britannica
Xenith recalls helmets once tested to be some of safest on market; various area schools may be affected
Seattle company designs safest football helmet in the country | KOMO
Guardian Caps - Are the soft-shelled football helmet covers effective at limiting head injuries?
More padding the issue of concussions and better helmets
The safest helmet in football is set to make its NFL debut next season - CBSSports.com
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
The Top Football Helmets for Safe Play – LifeSavvy
Riddell's Axiom could be breakthrough helmet for football | AP News
/cdn.vox-cdn.com/uploads/chorus_image/image/30673345/speedflex_quarter_view_lr__2_.0.jpg "New Riddell SpeedFlex football helmet pits technology vs. concussions - SBNation.com")
New Riddell SpeedFlex football helmet pits technology vs. concussions - SBNation.com
New Helmet Technology Aimed to Make Football and Other Sports Safer
Helmet market, with deep Detroit ties, in arms race | Crain's Detroit Business
NFL helmet safety testing results: Vicis ranks first again for its high-tech head protector – GeekWire
NFL helmet safety testing results: Vicis ranks first again for its high-tech head protector – GeekWire
Built By Data: NFL Helmet Innovation
This Helmet Will Save Football. Actually, Probably Not. - The New York Times
What Pros Wear: Top 5 Helmets Rated by the NFL & NFLPA - What Pros Wear
UAB and VICIS announce partnership to deliver safer football helmets - News | UAB
How This New Football Helmet Is Designed To Protect The Brain
