Impressio, CU Denver making safer football helmets with NFL grant - CU Denver News
Finite Element Models: New Tools for Innovation in Football Helmet Design
Helmet manufacturers work on safer youth equipment
Building a better football helmet: Seattle startup aims to save players' brains
Exclusive Look at Football Helmet Safety Testing - ABC News
Wheaton Academy Football Players Wear Helmets Rated #1 for Safety by the NFL
Super Bowl: How to Make Football Safer
Football helmets don't provide much protection from concussions, study suggests - CBS News
ISU engineering students design, study safer football helmets - College of Engineering News
Rivalry week: CD❌E contender in NFL Hel❌et Challenge