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14-year-old wins 3M Young Scientist Challenge with nano particle liquid bandage

A 14-year-old from California is America’s new top young scientist. The eighth grader created a nano particle liquid bandage to replace antibiotics. She beat nine other finalists and hundreds of students who submitted ideas. The 3M Young Scientist Challenge is a national competition that encourages middle schoolers to come up with projects to tackle global problems. Nikki Battiste reports.
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