World
15-year-old wins America's Top Young Scientist
(Agencies)
Updated: 2010-10-06 07:07
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 Sehee Kim, 14, of Cumming, Georgia, demonstrates the "Methane Mamba" while competing in the Discovery Education 3M Young Scientist Challenge in New York, Oct 5, 2010. The methane-hydrogen combination can be ignited in a harmless flame burst. [Photo/Agencies] |