
A low-cost, self-driving vehicle; battery alternatives and analyses of galaxy clusters claim top prizes at a global high school science competition

New technique quickly, cheaply identifies a particularly dangerous form of cancer

New device uses a smartphone to collect and email data on heart rhythms

Cancer sensor, a better way to search tweets, and quantum teleportation are among research highlights at a global high-school-science competition

Gel-filled liner absorbs energy of impacts, may reduce sports-related head injuries