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If they could turn back time: how tech billionaires are trying to reverse the ageing process
Jeff Bezos and Peter Thiel are pouring huge sums into startups aiming to keep us all young – or even cheat death. And the science isn’t as far-fetched as you might think
In the summer of 2019, months before the word “coronavirus” entered the daily discourse, Diljeet Gill was double-checking data from his latest experiment. He was investigating what happens when old human skin cells are “reprogrammed” – a process used in labs around the world to turn adult cells (heart, brain, muscle and the like) – into stem cells, the body’s equivalent of a blank slate.
Gill, a PhD student at the Babraham Institute near Cambridge, had stopped the reprogramming process midway to see how the cells responded. Sure of his findings, he took them to his supervisor, Wolf Reik, a leading authority in epigenetics. What Gill’s work showed was remarkable: the aged skin had become more youthful – and by no small margin. Tests found that the cells behaved as if they were 25 years younger. “That was the real wow moment for me,” says Reik. “I fell off my chair three times.”
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