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Energy Floatovoltaics are a cool way to super-charge your solar panels with water Thom Dunn

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Science The sophisticated, hidden ways that trees cooperate and protect each other Cory Doctorow

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Science Test for Damp Ground at Mars' Seasonal Streaks Finds None, Reports NASA JPL Xeni Jardin

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Science Did climate change cause Hurricane Sandy? The answer depends on why you're asking Maggie Koerth