When Kaylee Shirrell learned that her grandmother had cancer two years ago, she knitted a wool hat to keep her head warm during chemotherapy. "She cherished that gift," Kaylee says. "Then I started thinking about all the other cancer patients who could benefit from a hat." That thought turned into Hats of Hope, a project in which volunteers knit hats and place them in cancer centers. Kaylee eventually hopes to start a program in every state. In the fall, the senior plans to study forensic chemistry at Indiana University-Purdue University Indianapolis.