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Technology

Disney and OpenAI have made a surprise deal – what happens next?

In a stunning reversal, Disney has changed tack with regard to safeguarding its copyrighted characters from incorporation into AI tools – perhaps a sign that no one can stem the tide of AI

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Killer whales and Pacific white-sided dolphins

Life

Killer whales and dolphins are ‘being friends’ to hunt salmon together

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False-colour nuclear magnetic resonance (NMR) image of a human head

Health

Supposedly distinct psychiatric conditions may have same root causes

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SNR 0519, the remnant of a supernova that exploded about 600 years ago

Space

Earth and solar system may have been shaped by nearby exploding star

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Reconstruction of the city of Wroxeter in Roman Britain

Humans

Roman occupation of Britain damaged the population’s health

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Environment

China's carbon emissions may have started to fall in 2025

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Life

De-extinction was big news in 2025 – but didn't live up to the hype

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Technology

AI firms began to feel the legal wrath of copyright holders in 2025

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Life

A spectacular showcase of animal pictures from 2025

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Humans

The most amazing archaeology photos and discoveries of 2025

The first Denisovan skull, an ancient hunter’s toolkit and a Roman man’s brain that has turned to glass: here are our picks of the year’s most striking findings about prehistoric humans

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Mind

People saw a new colour for the first time in 2025

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Society

Donald Trump and Elon Musk put science on the chopping block in 2025

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Health

The potential of GLP-1 drugs to transform medicine exploded in 2025

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Space

Chance of a devastating asteroid impact briefly spiked in 2025

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