Three UK teens may have found a way to help couples test for STDs in the privacy of their own home. They've invented a condom called the S.T.EYE that changes color when it comes into contact with the pathogens -- green for chlamydia, yellow for herpes and blue for syphilis. The condom -- created by 14-year-old Daanyaal Ali, 13-year-old Muaz Nawaz and 14-year-old Chirag Shah from the Issac Newton Academy in London -- won top honors in the healthcare category at the TeenTech Awards.

The design is still in the conceptual stage, but the teens have already reportedly been approached by a condom manufacturer about improving their invention and possibly turning it into something headed to a drug store near you. This isn't the first we've seen of color-coded personal products. Last year, a nail polish company unveiled a product that could test for the presence of date rape drugs such as Rohypnol, Xanax and GHB in drinks. Read More