Scientists are beginning to understand that ageing is not a simply linear process. Instead, recent research appears to show that we age in three accelerated bursts; at about 40, 60 and 80 years old. To find out what might be going on, Ian Sample hears from Prof Michael Snyder, the director of the Center for Genomics and Personalised Medicine at Stanford University School of Medicine, who explains what the drivers of these bursts of ageing could be, and how they might be counteracted. Help support our independent journalism at theguardian.com/sciencepod
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Folge vom 24.07.2025Why do we age in dramatic bursts, and what can we do about it?
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Folge vom 22.07.2025The babies born with DNA from three parentsDoctors in the UK have announced the birth of eight healthy babies after performing a groundbreaking procedure that creates IVF embryos with DNA from three people. Ian Sample tells Madeleine Finlay about the life-threatening genetic disorders that the technique appears to prevent, and Prof Sir Doug Turnbull describes the 25-year journey to achieving the breakthrough. Help support our independent journalism at theguardian.com/sciencepod
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Folge vom 17.07.2025Two black holes collide, lab-grown organs, world’s first climate visaMadeleine Finlay is joined by Ian Sample to discuss three intriguing science and environment stories. From a breakthrough in the quest to create organs in the lab to a world-first climate visa that will see citizens relocate from the island of Tuvalu to Australia, plus what happens when two massive black holes collide. Help support our independent journalism at theguardian.com/sciencepod
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Folge vom 15.07.2025Why are parents using melatonin to help their kids sleep?Guardian feature writer Rhiannon Lucy Cosslett recently wrote about the growing cohort of parents whose children are on the waiting list for an autism or ADHD diagnosis, and are turning to the internet to buy melatonin to help them sleep. She tells Madeleine Finlay about their experiences and what is driving them to the hidden market. Paul Gringras, a consultant in paediatric sleep medicine and neurodisability, and lead of sleep medicine at King’s College London, also explains why melatonin can be helpful for neurodivergent children and why he is concerned about the increasing number of parents looking for it online. Help support our independent journalism at theguardian.com/sciencepod