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  1. Chemistry

    Matcha green tea packs the antioxidants

    A green tea used in Japanese tea ceremonies contains much more of a beneficial antioxidant than ordinary green tea.

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  2. Chemistry

    Nuclear-waste monitoring gets close to the source

    A new prototype device may make monitoring of radioactive contamination cheaper and easier.

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  3. Chemistry

    Catnip repels pest

    Known to repel cockroaches and mosquitoes, catnip oil also works against termites.

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  4. 19311

    This story deserves front-page status. Considering that antibiotics add to the cost of food, health care, groundwater cleanup, and the debt of poor nations, this is a potentially revolutionary development.