Jack Andraka and his improved cancer test
Gitanjali Rao and Tethys, her lead detection sensor
William Kamkwamba and the windmill
Austen Veseliza and the talking glove
Deepika Kurup and purifying water through sunlight and science
Cristian Arcega, Lorenzo Santillan, Oscar Vasquez, Luis Aranda, and Stinky, their champion robot