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Science Weekly

Science Weekly

著者: The Guardian
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Twice a week, the Guardian brings you the latest science and environment news© 2025 Guardian News & Media Limited or its affiliated companies. All rights reserved. 科学
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  • Why did Orlando Bloom get his blood cleaned?
    2025/07/08
    The actor recently posted a photo of himself undergoing a £10,000 procedure at a London clinic that claims to remove microplastics, forever chemicals and herbicides from the blood. But how settled is the science around the health risks of microplastics? To find out, Ian Sample speaks to Dr Stephanie Wright, associate professor of environmental toxicology at Imperial College London’s school of public health. She explains what we know so far about the effects of microplastics in the body, why the science is still evolving, and what we can do to reduce our exposure. Help support our independent journalism at theguardian.com/sciencepod
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    16 分
  • Why British women are freezing their eggs abroad
    2025/07/03
    The number of women choosing to freeze their eggs has increased sharply, according to figures from the UK’s Human Fertilisation and Embryology Authority (HFEA). The number deciding to embark on the process abroad also appears to be rising. Madeleine Finlay speaks to the Guardian journalist Lucy Hough, who recently travelled to Brussels to freeze her eggs. She explains what prompted her decision and how she feels now that the procedure is over. Madeleine also hears from Joyce Harper, a professor of reproductive science at University College London, about what the freezing of eggs involves and why the small odds of success could be driving women to travel to do it. Help support our independent journalism at theguardian.com/sciencepod
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    18 分
  • What does it take to make a nuclear weapon?
    2025/07/01
    In an interview last weekend, Iran’s ambassador to the UN said his country’s nuclear enrichment ‘will never stop’ because it is permitted for ‘peaceful energy’ purposes. It is the latest development in an escalation of tensions over Iran’s nuclear programme, which erupted when Israel targeted the country’s nuclear facilities in June. To understand why enrichment is so important, Madeleine Finlay talks to Robin Grimes, professor of materials physics at Imperial College London. He explains what goes into creating a nuclear weapon, and why getting to the stage of weaponisation is so difficult. Help support our independent journalism at theguardian.com/sciencepod
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    16 分

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