News

  1. Health & Medicine

    Dynamite discovery on nitroglycerin

    Scientists have found a long-sought enzyme that may be behind nitroglycerin's dilation of blood vessels.

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  2. Health & Medicine

    Ginseng extract halts diabetes in mice

    Extracts from the berry of the American ginseng plant counter obesity and insulin resistance in mice.

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  3. Earth

    Tomato compound repels mosquitos

    New insect repellents based on a compound that contributes to the smell of crushed tomato leaves are under development.

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  4. Materials Science

    Molecular template makes nanoscale helix

    Using ribbons made of organic molecules as minuscule templates, researchers have coaxed a semiconductor material into tiny helical coils.