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  1. 19846

    This article describes attaching a drug molecule to a molecule from the rabies virus that enables the drug to cross the blood-brain barrier. This suggests a possible danger if the ability to produce the molecule could be transferred to the genomes of disease organisms in the wild. If the field of genetic engineering for drug […]

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  2. Health & Medicine

    Fluorine highlights early tumors

    Microscopic, fluorine-packed particles can make small, cancerous growths easier to detect.

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  3. New player in cancer risk

    RNA snippets of a newly discovered type could be involved in the mechanisms of cancer.

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  4. Animals

    Clownfish noisemaker is new to science

    Clownfish make "pop-pop-pop" noises at each other by clacking their teeth together in a novel way.