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Neuroscience

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fruit fly brain map

BRAINBOW  Scientists have imaged the fruit fly brain in new detail. Colors highlight the paths of nerve cells that have been mapped so far. Cells with bodies close together share the same color, but not necessarily the same function.

nerve cells

RIGHT ON TARGET  A painkiller made with botulinum toxin prevents certain nerve cells (green) from relaying pain information to the brain in mice.

President Donald Trump

PUT TO THE TEST  President Donald Trump and White House physician Ronny Jackson shake hands after Trump’s annual physical, which included a test that screens for early signs of dementia.

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