Would Putting Magnets in Helmets Make Football Safer? - Men's Journal
The Fruitless Search for a 'Concussion-Proof' Football Helmet - The Atlantic
Bulldog Athletics / Football
We Can Make Football Safer - Scientific American
Louisiana Football Helmets Help Keep Players Cool - ASME
The Good, the Bad, and the Ugly: What Open Face Helmets Pinkbike's Editors Actually Wear - Pinkbike
NFL Helmet Set MAGNETS All 32 Teams
NFL helmets play central role in helping make football safer - Sports Illustrated
Built By Data: NFL Helmet Innovation
How to keep your delicate brain safe - BBC Future