Friday, November 20, 2020

Mexico's president called the military a 'mafia.' Now he's given them new powers and protections



from Yahoo News - Latest News & Headlines https://ift.tt/3lTYrT1

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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 ...