Category: RT @ajplus: This 11-year-old invented a device to help people in Flint detect lead in their water. https://t.co/ma3yITt5qT

This 11-year-old invented a device to help people in Flint detect lead in their water. http://pic.twitter.com/ma3yITt5qT — AJ+ (@ajplus) October 26, 2017 October 26, 2017 at 09:52AM