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  1. Agriculture

    Gene Makes Tomatoes Tolerate Salt

    The world's first genetically engineered salt-tolerant tomato plant may help farmers utilize spoiled lands.

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  2. Chemistry

    Longest carbon-carbon bonds discovered

    Researchers have found a type of carbon-carbon bond that's twice as long as the longest naturally occurring bond linking two carbon atoms.

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  3. Chemistry

    Carbon nanotubes show superconductivity

    Researchers have made individual superconductive carbon nanotubes that are just 0.4 nanometer wide.

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  4. Tech

    Soaking Up Rays

    Although light shines through body parts of a primitive marine sponge much as it does through sophisticated optical fibers for telecommunications, scientists differ on whether sponges hold clues to better fibers for humankind.