The S.T.EYE -- condoms that change color when they come in contact with STIs.
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Why new condoms change colors
Three teenagers in London have won an award for an innovative contraception concept.
01:00 - Source: CNN
Smart young people around the world 12 videos
The S.T.EYE -- condoms that change color when they come in contact with STIs.
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Why new condoms change colors
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