科学研究   

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Let's talk about the genetics of longevity. Conventional wisdom always had it that ageing was a function of normal maintenance mechanisms going awry as you got older. Guarente: Well! I think there ...

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Adenosine triphosphate, or ATP, is the molecule that powers all life on Earth. Energy from ATP is required for essential activity, including pumping ions across membranes and pulling apart the DNA he...