sweet info - A 10th-Grader's Stomach Lie Detector Test

Trisha Pasricha's 10th-grade science fair project, a lie detector test that measures changes in the stomach to determine whether the subject is telling the truth -- won second prize at the 2005 Intel International Science and Engineering Fair. Madeleine Brand speaks with the 16-year-old about her research, and her conclusion that a lie detector test based on activity in the stomach is more accurate than traditional tests.


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