Saturday, November 27, 2021

Pfizer said an updated version of its COVID-19 vaccine will be 'ready in 100 days' if the new Omicron variant is resistant to its current vaccine



from Yahoo News - Latest News & Headlines https://ift.tt/3HSuPAZ

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Old muscle stem cells can act young again but there’s a catch

Scientists at UCLA discovered a surprising reason aging muscles heal more slowly. In older muscle stem cells, a protein called NDRG1 builds ...