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Hannah Devlin

Headshot of Hannah Devlin

Hannah Devlin is the Guardian's science correspondent. She has a PhD in biomedical imaging from the University of Oxford. Hannah also presents the Science Weekly podcast

August 2026

  • A woman applies a transdermal hormone patch to her inner arm

    Women using HRT at lower risk of dementia, study suggests

    Scientists found those who had used hormone replacement therapy were 10% less likely to be diagnosed with dementia
  • Illustration of the chickenpox virus

    Shingles vaccine linked to lower risk of heart attack and stroke, study finds

    Researchers say benefits of two-dose Shingrix vaccine could be comparable to taking daily blood pressure medication

    • Hard to swallow? The future of snacking may be 3D-printed cookies made from upcycled plastic

    • New daily diabetes pill that helps with weight loss launches in UK pharmacies

    • Astronomers detect fastest known star in Milky Way

July 2026

  • Chickens in an indoor farm

    Industrial chicken farming accelerating spread of diarrhoea bacteria, study finds

  • Two orcas swim underwater

    Orcas seen ramming prey so hard it explodes may be playing game

  • Four white sculpted stones or axeheads

    Ancient DNA analysis reveals Wiltshire’s Upton Lovell Shaman was a woman

  • A white sperm cell navigates an orange lattice structure against a dark blue textured background

    The Saturday read
    ‘Spermageddon’: is the world facing a male reproductive crisis?

  • Science Weekly
    Is male testosterone in freefall? – podcast

    Podcast14:00

  • Men’s average testosterone levels have halved in last 50 years, say scientists

  • Air pollution linked to DNA changes in sperm, research shows

  • Pioneer of ‘extreme male brain’ theory of autism now says phrase unhelpful

June 2026

  • Hackney Marshes, London, covered in mist during the summer solstice in the early hours of the morning on June 21, 2026

    Record-breaking heat expected in parts of UK this week, says Met Office

    Health alerts are in place as very high humidity adds to danger of heat stress for the most vulnerable
  • A doctor performs an ultrasound scan on a pregnant woman

    Blood test can find thousands of genetic conditions in pregnancy, say scientists

    Technique that examines fragments of foetal DNA in mother’s bloodstream could limit need for invasive screening, according to researchers

    • Scientists reveal surprising mechanism behind Venus flytrap’s rapid snap

    • Millions of homes in London, Essex and Kent at risk of sinking as climate crisis worsens

    • ‘They surprise me every time’: bees can use tools to solve problems, study finds

May 2026

  • An artist’s rendering of two moas

    Artificial eggshell comes first in attempt to revive giant flightless moa

  • A reconstruction of the face of the oldest Neanderthal found in the Netherlands on display in Leiden

    Neanderthals used stone drills to treat cavities 59,000 years ago, tooth suggests

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