Football helmets have improved but are far from 'concussion proof' – Orange County Register
Is a radical new football helmet design the answer to preventing concussions?
This Football Helmet Crumples—and That's Good
Riddell launches Axiom, latest helmet to combat concussions
Vicis reveals price, more details about high-tech football helmet that reduces brain trauma – GeekWire
What happened to Vicis: Inside the collapse of the high-tech helmet maker, as board decides its fate – GeekWire
What happened to Vicis: Inside the collapse of the high-tech helmet maker, as board decides its fate – GeekWire
This Startup Gave Football Helmets a Massive Redesign. Next Up: A Version for 6-Year-Olds
New Helmet Technology Reduces Brain Injuries, Dr. John Lloyd