May 2, 2023 Edition

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How boosters produce broad protection against COVID-19

A booster shot targeting the Omicron variant of SARS-CoV-2 produced a broader immune response than one targeting variants more similar to the original...
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Aging melanocyte stem cells and gray hair

The stem cells responsible for hair color switch between stem cell and maturing states, but with age can get stuck and become unable to perform either...
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New insights into the brain's motor cortex

A brain region long known to control specific muscle movements also has a more complex role related to planning and coordinating movements.

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