SILVER SPRING, Md. and ST. PAUL, Minn., Oct. 18, 2017...

SILVER SPRING, Md. and ST. PAUL, Minn., Oct. 18, 2017 /PRNewswire/ – 3M (@3M) and Discovery Education (@DiscoveryEd) have named 11-year-old Gitanjali Rao from Lone Tree, Colo., the winner of the 2017 Discovery Education 3M Young Scientist Challenge (#YoungScientist). Gitanjali is working to develop