If it's not one thing, it's another: a new hypothesis floating around the scientific community suggests that evolving bigger brains and superior intellect may have led to a dramatically elevated risk of cancer in humans. Thanks, brain.
Former industrial designer Hemmant Jha recently noticed something odd. Two fingers on his dominant hand are somehow more rigid and firm than any of the others. He suspects that years of two-finger scrolling on his MacBook Pro are the cause.