Praze for 11-year-old Gitanjali Rao who was recently named
America's Top Young Scientist for inventing an inexpensive device to easily test for lead in water. Although she lives in Colorado, Rao had read about lead contamination in Flint, Mi., and was inspired to come up with a way for people to test the safety of their own drinking water. A big thank you to the 3M Innovation Center in St. Paul, Minn., for sponsoring the Young Scientist Challenge.
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