Here’s an interesting little article in Scientific American on-line by Steve Mirsky.

Excerpt:

Back on our May 2nd episode, we talked about the brain damage suffered even by amateur boxers who wear headgear.  Now imagine going into the ring bareheaded against a professional boxer, a world champion no less.  Researchers at the University of Manchester in England were curious about just how much force a top boxer can generate with a punch.  So they enlisted local boxer Ricky Hatton, an undefeated 28 year old light welterweight and welterweight world champ.  And they had him hit a 30 kilogram punching bag with sensors attached.

Click here to see the rest.