with me now are grand prize winner, sri bo. she won in the 17 to 18 age category.mi shaw, the winner in the 15 to 16 age group category, and here with me in studio is lauren hodge, she won in the 13 to 14 age group. congratulations to all of you. brilliant, brilliant girls. sri, when you were in the second grade, where i was seeing how ants reacted to having water poured on them, you were turning spinach blue, because you thought it might be more appealing to kids. that is not what won you the grand prize, something substantially more resistant. tell me what you did. >> we found a link between this one protein and the development of drug resistance in ovarian cancer. slightly more complicated. >> it is complicated. i'm certainly not going to try to simplify that for me. but ovarian cancer is a difficult cancer. it's often detected very late in women and we really are trying to figure out where it comes from and how best to treat it. why did you decide to go down this road? >> actually, two years ago, my grandfather passed away of cancer and i decided i really wante