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  1. Tech

    Glow with the flow

    Potentially usable electricity flows when water is forced through millions of ceramic tubes thinner than a human hair.

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  2. Physics

    Dune leapfrogging is deciphered

    Some wind-propelled sand dunes can pass right through each other if their relative sizes are right, new computer simulations indicate—although the sand grains of one dune don't actually penetrate through the other dune.

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  3. Physics

    Dune leapfrogging is deciphered

    Some wind-propelled sand dunes can pass right through each other if their relative sizes are right, new computer simulations indicate—although the sand grains of one dune don't actually penetrate through the other dune.

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  4. Humans

    Undignified Science

    Research advances in 2003 heralded a string of unexpected scientific indignities that will occur in the future, at least in the fevered imagination of one writer.