[ad_1] Donald Trump keeps calling Joe Biden old and confused, but late last month he had a foggy moment himself on stage in Washington. He introduced his wife Melania to the crowd as Mercedes. Of course, Biden has notched up more memory slips over the months, such as when he confused French President Emmanuel Macron…
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[ad_1] Nutrient-sensing systems can be tuned up; senescent cells targeted for destruction; stem cells supplied afresh; epigenomes spruced up. For many of the hallmarks of ageing hope is in the air. But some are more refractory. Perhaps the toughest of all is genomic instability: the persistent accumulation of mutations. By middle age, to take an…
