Uploaded October 2010 | Updated September 2026, 2 hours ago

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On Tuesday, October 5, Liam McCarty of Elm Grove, Wisconsin was named "America's Top Young Scientist" as winner of the 2010 Discovery Education 3M Young Scientist Challenge. Discover Blog caught up with him afterward and asked: Since you'll be travelling to 3M's World Headquarters in Minnesota, do you have a favorite 3M product? (We're partial to Post-It Notes.)