The freak accident that changed Charles Krauthammer's life

From Wikipedia: Charles Krauthammer is an American syndicated columnist, author, political commentator, and non-practicing physician whose w...

Wearing a Weapon: The Football Helmet's Dangerous Evolution

The history of how helmets arrived on the football field, from TIME:

Sparring Injuries

Martial arts instructor Jake Mace tells the story behind his scar and arm fracture:

Health risks in extreme cold - and what to do about them

Mayo Clinic emergency medicine specialist Dr. David Nestler talks about how cold weather affects our bodies and what we need to know about f...

Walking While Texting - National Geographic video

Texting shrinks peripheral vision to only 10%. "Cell phone use is on the rise and our eyes keep looking down. Try looking up and see wh...