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  1. Materials Science

    Nanotubes get as small as they can

    Two research teams have created stable carbon nanotubes with the smallest diameter that scientists believe is physically possible, at just 0.4 nanometer across.

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  2. Earth

    Can Banking Carbon Cool the Greenhouse?

    Stockpiling carbon dioxide in plants and soil may be effective only for the short term, if at all.

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  3. Humans

    Genes on Display

    DNA becomes part of the artist's palette.

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  4. Mutated gene doubles fruit fly’s life span

    The product of the Indy gene resembles transport proteins in mammals that enable intestinal and kidney cells to take in metabolites to produce energy.