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For all you The Walking Dead fans out there, you may be surprised to see a similarity between this AMC franchise and the science of water quality. We introduce you to the Are-you-kidding-me?-Is-that-thing-still-alive?!? water bear, also known as the tardigrade. These microscopic buggers are known for their ability to...

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Mr. Wizard was Bill Nye before Bill Nye was The Science Guy. While preparing lab experiments and activities for our September 19 Open House (ahem, register today), a tweet came across our @WallyWaterdrop feed: Meet the science guy who inspired Bill Nye: Mr. Wizard http://t.co/uF1tJZbwXy pic.twitter.com/oS6B3pvRRi— At the Smithsonian...

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Turn a few simple household products into this great kids craft, Sunday afternoon project, or science-class demo. Leslie tells us how density and reactions help make these ingredients move like the lava lamps of the 1970s. RELATED STORIES: EVENTS: See this experiment and more at our 9/19 Open House

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That familiar scent has a name: Petrichor. But since being named in a 1964 report, the actual cause of the after-the-storm “earthy fragrance” had been little more than theory. That changed in January when MIT researchers captured a specific raindrop phenomena on video. Scientists observed raindrops trapping tiny air...

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