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Explore the most exciting new ideas and emerging concepts in science, health, technology and the environment with 91av’s exclusive in-depth articles, interviews and long reads.

Saturday's occultation of Saturn, it was the last one until 2031! From Tarragona, Spain The star besides Saturn is 85 Aquarius (mag 6.7) C8 Edge HD & ASI178MC

Space

See Saturn emerge from behind our moon in game of celestial peek-a-boo

On 4 January there was a lunar occultation of Saturn, when the moon blocks our view of the planet

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Dewars Farm dinosaur excavation_image credit University of Birmingham

Life

Giant tracks show how dinosaurs roamed the UK millions of years ago

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Health

Will genome editing transform our children’s health? Some have doubts

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Physics

Physicists discover that ‘impossible’ particles could actually be real

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Punk ferox and Emo vorticaudum Credit: Sutton et al. Nature (2025)

Life

Punk and Emo fossils rock our ideas of how ancient molluscs looked

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Health

Sleeping pills disrupt how the brain clears waste

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Space

New Glenn launch: Blue Origin’s reusable rocket set for maiden flight

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Technology

Vaccine misinformation can easily poison AI – but there’s a fix

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Health

What is hMPV, the virus spreading through China?

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Technology

Are tech firms giving up on policing their platforms?

Social media companies have long struggled with moderating the behaviour of billions of users, and now it seems they are finally giving up policing their platforms in favour of a crowdsourced approach – but will it work?

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Mathematics

How a typo spoiled my proof of Fermat’s last theorem

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Chemistry

Batteries made from industrial waste could store renewable energy

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Life

Genetically modified toxic semen could suppress troublesome insects

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Technology

AI helps radiologists spot breast cancer in real-world tests

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