Super Bowl Live: Kupp named Super Bowl MVP after winning TD
NFL testing safer helmets
Football helmet, American Football Wiki
Youth football player with eye condition says he needs visor to play
How Football Tech May Change the Game for Head Injuries - WSJ's The Future of Everything - WSJ Podcasts
The Safest Football Helmet Is Not Yet A Hit In The NFL WSJ
How football helmets fail to protect against some of the most dangerous hits in the game - The Verge
The Football Helmet Just Got the Biggest Redesign Since the 1960s--and It's Coming to the NFL Next Season
The Safest Football Helmet Is Not Yet a Hit in the NFL - WSJ
Riddell launches Axiom, latest helmet to combat concussions
Helmet safety: Inside the complicated equipment industry - Sports Illustrated
Wall Street Journal: Football participation numbers rising in South
NFL helmet rule: Players shouldn't panic about penalties