Detecting STIs: Teens believe a color-changing condom is the answer Sexually transmitted infection-- it's a sensitive topic that many people find difficult to discuss, but a group of teenage boys think they may have found an eye-catching solution.The so-called "S.T.EYE" condom is a conceptual design that changes color when it comes into contact with an STI such as chlamydia or syphilis.The idea is the brainchild of Muaz Nawaz, 13, Daanyaal Ali, 14, and Chirag Shah, 14, who attend the Isaac Newton Academy in east London. CNN, June 26, 2015 |