Schoolchildren invented condoms that change color in the case of sexually transmitted diseases in a partner. Three 13 and 14-year-old British teenagers were awarded the main TeenTech Awards for achievements in science, technology and mathematics, the UN press service said.
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Read more about it here: https://www.iflscience.com/health-and-medicine/teens-invent-condoms-changes-color-when-it-detects-stds/
(TITLE FROM RANDOM OVERLOAD)
Read more about it here: https://www.iflscience.com/health-and-medicine/teens-invent-condoms-changes-color-when-it-detects-stds/