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Illustration of a the silhouette of a person's face, made of flower and its stalk that stretches out to create the image of the face (within a face)

How to build the mindset now proven to slow ageing

How much could a change of attitude change your life?
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Photo of a blurred person holding a durian fruit up to the camera. The fruit is in sharp focus

What's the smelliest thing in the world?

The human nose can have wildly different sensitivities to odour molecules, but there is one chemical that made people vomit and go unconscious
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The Orca plant in Iceland, which captures carbon from the atmosphere and injects it into volcanic rocks

How whales, vodka and volcanic ice blocks could soon solve the carbon crisis

From living paint to injecting rocks, scientists have bizarre carbon capture ideas that could help us tackle the climate crisis
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Digital generated image of multiple robots working on laptops.

1,000 AIs were left to build their own village, and the weirdest civilisation emerged

Inside the strange experiment that turned AI agents into workers, leaders and believers
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Issue 427 of BBC Science Focus is on sale 9 December 2025

New issue: Lost in Space

Imagine having access to a time machine. You could experience historical events first-hand – and finally get to the bottom of all manner of mysteries. Although we can’t travel back in time physically, with a good telescope – like the James Webb Space Telescope – we can essentially see back in time. That’s almost as good, right? Take, for example, the very first stars, which formed around 100-200 million years after the Big Bang. Their sudden appearance set the stage for the Universe we see today, triggering a chain reaction that’s still occurring. And by uncovering the oldest objects in the cosmos and examining their unique makeup, we can retrace the chemistry and physics of creation. Those first stars should be easy to spot thanks to their special compositions, and stellar archaeologists (a cool job title, if I’ve ever heard one) have been seeking them for a long time. But as Dr Emma Chapman explains in this issue, the reason we haven’t found them yet could be because we've not been looking for the right things. What we have found, is that so-called 'ancient stars' aren’t behaving quite as we expected. So far, our search into the deep past has raised more questions than answers.
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How stable is my personality?

Various studies have looked at how personality changes over our lives
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A mother and baby elephant

New study reveals salt to blame for missing mega-herbivores

Elephants, rhinos and giraffes might be limited by the availability of this kitchen ingredient
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Digital generated image of abstract sliced multicoloured head with swirl spline connections inside. Technology and AI concept.

This ‘digital brain’ could soon simulate ethically forbidden experiments

This very complicated computer model was designed to help teach us about our own brains
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3d rendering of pills, Healthcare and medicine concept.

The real reason men still don’t have a contraceptive pill

Ever wondered why the contraceptive landscape is so female-centric?
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