Science Weekly

Science Weekly

Podcast by The Guardian

Twice a week, the Guardian brings you the latest science and environment news

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761 episodes
episode Revisited: does the evidence on glucose tracking add up? artwork
Revisited: does the evidence on glucose tracking add up?

You might have noticed that everyone has recently become a bit obsessed with blood sugar, or glucose. Wellness firms such as Zoe in the UK – as well as Nutrisense, Levels and Signos – claim to offer insights into how our bodies process food based on monitoring our blood glucose, among other things. But many researchers have begun to question the science behind this. In this episode from July, Ian Sample talks to the philosopher Julian Baggini, the University of Oxford academic dietician Dr Nicola Guess, and Zoe’s chief scientist the King’s College London nutrition expert Prof Sarah Berry to find out what we know about blood glucose levels and our health, and whether the science is nailed down on personalised nutrition. Help support our independent journalism at theguardian.com/sciencepod [https://www.theguardian.com/sciencepod]

02. jan. 2025 - 30 min
episode Revisited: just how bad is alcohol for us? artwork
Revisited: just how bad is alcohol for us?

For the regular drinker, the studies that say a daily tipple is better for a longer life than avoiding alcohol completely are a source of great comfort. But a new analysis challenges that thinking and says it was based on flawed research that compares drinkers with people who are sick and sober. In this episode from August, Madeleine Finlay hears from the study’s lead author, Tim Stockwell, a scientist at the Canadian Institute for Substance Use Research at the University of Victoria, to find out why scientists (including him) were so convinced, and what the actual risks of alcohol are. Help support our independent journalism at theguardian.com/sciencepod [https://www.theguardian.com/sciencepod]

31. dec. 2024 - 17 min
episode Revisited: the endless sexual diversity of nature artwork
Revisited: the endless sexual diversity of nature

In this episode from July, Ian Sample talks to Josh Davis, a science writer at the Natural History Museum in London and author of the book A Little Gay Natural History. A study published in June 2024 suggested that, although animal scientists widely observe same-sex sexual behaviour in primates and other mammals, they seldom publish about it. Josh considers why this might be and describes some of his favourite examples of sexual diversity from the animal kingdom.. Help support our independent journalism at theguardian.com/sciencepod [https://www.theguardian.com/sciencepod]

26. dec. 2024 - 18 min
episode Revisited: are the world’s oldest people really that old? artwork
Revisited: are the world’s oldest people really that old?

In this episode from September, Madeleine Finlay speaks to Dr Saul Newman, an interdisciplinary researcher at University College London and the University of Oxford, who has recently won an Ig Nobel prize – given to scientific research that ‘first makes people laugh, and then makes them think’ – for his work showing that many claims of people living extraordinarily long lives come from places with short lifespans, no birth certificates, and where clerical errors and pension fraud abound. Help support our independent journalism at theguardian.com/sciencepod [https://www.theguardian.com/sciencepod]

24. dec. 2024 - 16 min
episode ‘Soft and calorie dense’: Chris van Tulleken on how ultra-processed foods keep us hooked artwork
‘Soft and calorie dense’: Chris van Tulleken on how ultra-processed foods keep us hooked

Dr Chris van Tulleken has been at the forefront of the campaign to change our food system and better regulate the sale of ultra-processed foods (UPF). This year he will be giving the Royal Institution Christmas lectures, Britain’s most prestigious public science lectures, in which he’ll be investigating how food has fundamentally shaped human evolution, the importance of our microbiome – as the extra ‘organ’ we didn’t know we had – and how we can all eat better in future, for the sake of our own health and the health of the planet. Nicola Davis sat down with Van Tulleken to discuss the lectures, the challenge of understanding the impact of UPFs on our health, and his top tip for Christmas dinner. Madeleine Finlay hears from them both in this Christmas special edition of Science Weekly. Help support our independent journalism at theguardian.com/sciencepod [https://www.theguardian.com/sciencepod]

19. dec. 2024 - 18 min
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