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The quiz that keeps families connected | Brief letters

Saturday quiz | Avoiding AI | Size matters It was lovely to read Sabrina Olson’s letter (6 March) on the quiz as it has been a family ritual for us for years. It kept us all connected through our children’s time at university, then moving into their own homes, and in some cases working abroad. […]

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Exercise and brain function, hedgehog hearing, and can AI change our minds? – podcast

The Guardian’s science editor, Ian Sample, talks to Madeleine Finlay about three eye-catching science stories from the week, including a study that explores the link between exercise and brain health. Also on the agenda: the discovery that hedgehogs can hear high-frequency ultrasound and what this could mean for their conservation, and new research examining how

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Short films made from brain activity of mice aim to show how they see world

Scientists hope results analysed after the mice watched video footage will help them understand their perceptionsScientists have reconstructed short movies from the brain activity of mice that watched videos for a project that aspires to lift the veil on how animals perceive the world.The brief movie clips are grainy and pixellated, but provide a glimpse

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Large genome model: Open source AI trained on trillions of bases

Late in 2025, we covered the development of an AI system called Evo that was trained on massive numbers of bacterial genomes. So many that, when prompted with sequences from a cluster of related genes, it could correctly identify the next one or suggest a completely novel protein. That system worked because bacteria tend to

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Does Trump want to wage an AI-powered war? – podcast

In the past three months, Donald Trump’s White House has reportedly used AI twice to effect regime change – once in its capture of Venezuela’s president, Nicolás Maduro, and more recently to help plan the strikes that killed Iran’s supreme leader, Ayatollah Ali Khamenei. The most recent strikes coincided with the end of the Pentagon’s

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Tech legend Stewart Brand on Musk, Bezos and his extraordinary life: ‘We don’t need to passively accept our fate’

He was at the heart of 1960s counterculture, then paved the way for the libertarian mindset of Silicon Valley. At 87, Brand is still keen to ensure the world is maintained properly – not just today, but for the next 10,000 yearsStewart Brand thinks big and long. He thinks on a planetary scale – as

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Race for AI is making Hindenburg-style disaster ‘a real risk’, says leading expert

Prof Michael Wooldridge says scenario such as deadly self-driving car update or AI hack could destroy global interestThe race to get artificial intelligence to market has raised the risk of a Hindenburg-style disaster that shatters global confidence in the technology, a leading researcher has warned.Michael Wooldridge, a professor of AI at Oxford University, said the

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