For most people, high school science fairs yield amusing but not altogether practical results: your baking soda and vinegar volcanoes, your potato clocks. There are exceptions, of course—15 year-old Jack Andraka created a cheap, efficient pancreatic cancer sensor for the Intel International Science and Engineering Fair. And there are the finalists in Google’s annual Science Fair, which invites entrants ages 13 through 18 to compete for a variety of prizes. These kids are results are anything but amusing. They’re potentially world changing.
Below, we look at five of our favorite finalists (there are 15 in total). The winner will be crowned next month.