Men could soon blast their balls with soundwaves to prevent pregnancy

What if the male version of the birth control pill wasn't a pill at all? Scientists from the University of North Carolina say a non-oral form of male contraception is on the horizon. According to researchers, all it takes to be effective is a couple blasts of high frequency sound waves...delivered straight to the… » 1/30/12 7:00am 1/30/12 7:00am