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OpenAI’s o3 model aced a test of AI reasoning – but it’s still not AGI

OpenAI announced a breakthrough achievement for its new o3 AI model Rokas Tenys / Alamy OpenAI’s new o3 artificial intelligence model has achieved a breakthrough

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The best space images from 2024

The Penguin and the compact elliptical galaxy the Egg NASA, ESA, CSA, STScI NASA’s James Webb Space Telescope has now been focusing its powerful eye

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Butchered bones tell of shocking massacre in prehistoric Britain

An adult skull from the Charterhouse Warren mass grave in the UK, featuring cut marks and a blunt force fracture Ian R. Carwright/Institute of Archaeology

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Why AI must learn to admit ignorance and say 'I don't know'

The ability to admit ignorance could be a sign of truly intelligent AI, and a new quiz of unsolved or perhaps even unsolvable questions aims

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The ancient board games we finally know how to play – thanks to AI

In the 1970s, in a grave in a Bronze Age cemetery in Shahr-i Sokhta, Iran, an incredible object was unearthed next to a human skull:

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AI found a new way to create quantum entanglement

AI found a new way to entangle particles of light luchschenF/Shutterstock Quantum entanglement just got easier, thanks to artificial intelligence. Researchers discovered a new procedure

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New forms of animals made by fusing several comb jellies together

A warty comb jelly (Mnemiopsis leidyi) Andrey Nekrasov / Alamy Stock Photo It may be the closest scientists have yet come to creating Frankenstein’s monster.

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Most comprehensive picture yet of how organs age at different rates

Someone’s kidneys could be a decade older, biologically, than their brain Christian Kitzmuller/Alamy Our organs appear to age at different rates, with our lungs and

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Bird flu may be adapting to become more infectious to humans

Bird flu has been spreading in wild animals for years but it is now adapting to humans Vuk Valcic//SOPA Images/LightRocket via Getty Images The threat

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Why gene editors want to treat fetuses when they are still in the womb

Gene editing could be more effective before birth Leigh Prather/Alamy Doing CRISPR gene editing while fetuses are in the womb could make it easier to