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Biomedicine

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STUCK ON YOU  This patch has an array of microneedles that penetrate the skin to deliver a dose of the flu vaccine.

mouse skeleton x-ray

BONE UP  The skeleton doesn’t just protect important bodily organs, it also talks to them, studies in mice show.

alpha-synuclein protein in nerve cells

RED ALERT  This micrograph shows how the protein alpha-synuclein (red) builds up in nerve cells (blue) in brains affected by Parkinson’s disease. The immune system can react to parts of the protein, a new study finds.

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