The Guardian's Science Weekly

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Episodes

Date Title & Description Contributors
2024-12-19

  ‘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 publ...
  The Guardian author
2024-12-17

  Is our model of the universe wrong?

For the past 10 years cosmologists have been left scratching their heads over why two methods for measuring the universe’s rate of expansion provide totally different results. There are two possible solutions to the puzzle, known as the Hubble tension:...
  The Guardian author
2024-12-12

  Does Google’s ‘mindboggling’ new chip bring quantum computers any closer?

On Monday Google unveiled its Willow quantum computing chip. The new chip takes just five minutes to complete tasks that would take 10 septillion years for some of the world’s fastest conventional computers to complete. But despite its impressive power...
  The Guardian author
2024-12-10

  The science of laughing

Madeleine Finlay speaks to Sophie Scott, a professor of cognitive neuroscience at University College London, to dig into the science of laughter. Sophie explains what exactly laughter is, the many different purposes it serves for humans and animals, an...
  The Guardian author
2024-12-05

  Revisited: Secrets of the gut microbiome

Ian Sample speaks to colorectal surgeon and researcher James Kinross about the miraculous world of our gut microbiome, how modern life is impacting it, and what we can do to look after it Because of industrial action taking place by members of the Nati...
  The Guardian author
2024-12-03

  What really helps with hangovers?

What if you could take a pill or a shot that could reduce your blood alcohol level and make you feel better in the morning? That’s the promise of a range of wellness products aiming to be the next big hangover antidote. But what exactly are hangovers, ...
  The Guardian author
2024-11-28

  What’s going on with fluoride?

The conversation about fluoride’s health benefits has exploded recently after a US federal toxicology report, court ruling and independent scientific review all called for updated risk-benefit analysis. Ian Sample hears from Catherine Carstairs, profes...
  The Guardian author
2024-11-25

  ‘Travesty of justice’: Cop29’s controversial deal

Madeleine Finlay hears from the Guardian’s environment editor, Damian Carrington, about the controversial climate finance deal that brought Cop29 negotiations to a close in the early hours on Sunday morning in Baku, Azerbaijan. Developing countries ask...
  The Guardian author
2024-11-21

  The science behind yo-yo diets, bird flu news and which Brits can spot a fake accent

Science editor Ian Sample joins host Madeleine Finlay to discuss some of the most intriguing science stories of the week. From a study finding that fat cells ‘remembering’ past obesity drives yo-yo dieting, to concerning developments in the bird flu vi...
  The Guardian author
2024-11-19

  What does it take to become an astronaut?

It’s a dream for many children, but what does it actually take to become an astronaut? Science correspondent Hannah Devlin tells Ian Sample about her trip on a zero gravity flight with the European Space Agency (Esa). Back on solid ground she also got ...
  The Guardian author