A Group of Teens Just Invented Condoms that Will Change Colour if You Have an STI By Notable Life By Notable LifeView Author|June 23, 2015|Health + Wellness,View Health + Wellness Life,View Life Love + SexView Love + Sex It's a brave new world. Especially when 13 and 14-year-old kids are winning the TeenTech Awards by inventing condoms that detect STIs. We don't know about you, but our science fair projects were a lot less, well, ahead of their... View this article.