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Every living thing – humans, animals, plants or a single cell – eventually dies, but why? How do cells know when to die? What controls the ageing process and could we ever halt it?
Yes, you are a mutant. But so am I. And so is the mouse that we share 99% of our genes with. As our DNA replicates, mutations arise. Sometimes they can be catastrophic, but sometimes they confer a huge advantage.
Your life stems from a single cell. Yet within the trillion of cells that make up your body lies a fundamental conundrum. Each cell contains identical DNA but how does each of your cells ‘know’ exactly what to do? And when? And where?
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