Making football helmets safer to prevent concussions
This flexible football helmet wants to save your brain : r/nfl
Can Engineering Prevent Concussions in the Super Bowl?
A new way of looking at concussions
Can high-tech helmets solve football's thorniest problem?
Could This Helmet Save Football From The Sport's Concussion Problem?
Helmet Safety Unchanged as Injury Concerns Rise - The New York Times
Liquid shock absorbers in football helmets could reduce impact on brains