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Jack Andraka is a Maryland high school sophomore who at age 15 invented an inexpensive and sensitive dipstick-like sensor for the rapid and Jack Andraka explains how he devised a new way to detect cancer, which earned him the grand prize at the Intel International Science and Engineering Fair. (05:38)early detection of pancreatic, ovarian and lung cancers. After a close family friend died of pancreatic cancer, Jack (then a ninth grader) became interested in finding a better early-detection diagnostic test. He learned that the lack of a rapid, low-cost early screening method contributed to the poor survival rate among individuals with pancreatic cancer. After thinking further about the problem, he came up with a plan and a budget to put his ideas in motion. (more)