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Science & Culture

Discoveries, the arts and long reads worth your time.

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Science

Jimmy Kimmel on Trump’s second term: ‘Has anyone ever done a worse job?’

Late-night hosts discussed Trump’s midterm bribes, Pete Hegseth’s ‘grooming standards’ and Don Jr’s wedding bankrolled by a Russian oligarch Late-night hosts dug into Donald Trump’s attempts to sway the upcoming midterms and the Russian oligarch who bankrolled his son Donald…

The Guardian Culture·
Science

Mercury is shrinking with age — faster than thought

Nature, Published online: 17 September 2026; doi:10.1038/d41586-026-02898-3Impacts by space objects have obscured some of the evidence of the planet’s contraction over the past 4.5 billion years.

Nature·
Science

Schoolhouse meals serve up an income bump

Nature, Published online: 17 September 2026; doi:10.1038/d41586-026-02896-5Modelling shows a link between feeding programmes and higher potential earning in five African nations.

Nature·
Science

How fast are you ageing? Ask AI

Nature, Published online: 17 September 2026; doi:10.1038/d41586-026-02913-7A new system will help scientists to refine large language models for longevity research and clarify ‘biological’ age.

Nature·
Science

Take a risk or play it safe? Neuronal tug-of-war helps the brain decide

Nature, Published online: 17 September 2026; doi:10.1038/d41586-026-02911-9Using a video game involving bombs and treasure chests, researchers show how neural activity flickers between two regions of the frontal cortex when the brain weighs up a tricky decision.

Nature·
Science

Who gets credit in the AI era? OpenAI maths bombshell sparks debate

Nature, Published online: 17 September 2026; doi:10.1038/d41586-026-02910-wControversy around OpenAI’s claim to have solved the Navier–Stokes problem highlights how researchers could be inadvertently sharing — and absorbing— ideas through chatbots.

Nature·
Science

Why most stars don’t have outbursts like our Sun’s

Nature, Published online: 16 September 2026; doi:10.1038/d41586-026-02833-6A strong magnetic field can disrupt a star’s ability to produce the fountains of matter called coronal mass ejections.

Nature·
Science

Transplanted human brain-tissue takes root in mice without a cortex

Nature, Published online: 16 September 2026; doi:10.1038/d41586-026-02927-1Extensive cellular integration might provide platform for in vivo testing of new therapies — plus, the AI tool that turns papers into ‘virtual corresponding authors’.

Nature·