Meet Rajarshi Mandal, the 16-year-old Lexington student whose malaria model showed the same mosquito-net supply could prevent twice as many infections; he won $50,000
For Mandal, the idea began with footage showing fishermen using donated mosquito nets as fishing material because the mesh was available when conventional fishing equipment was not. At 16, Rajarshi Mandal is already tackling a problem that has challenged public-health systems for decades: how to make limited malaria-prevention resources go further. The Lexington High School…

