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People training new AI models admit they just get chatbots to do it

The next generation of AI models are meant to be trained by people paid to have conversations with them, but several of these workers have admitted to New Scientist that they simply get chatbots to do it instead. This "AI inbreeding" may reduce the power and usefulness of future

Admin Recifes 15/07/2026 2

Hidden black hole could explain mystery at the heart of our galaxy

The area surrounding our galaxy’s central supermassive black hole contains three strangely different populations of stars – but one hidden black hole could explain all of them

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This physicist is hunting for the biggest black hole in the universe

Astronomers have recently started looking for black holes bigger than galaxies. Brian Lacki explains how these “stupendously large black holes” might be used by alien civilisations, and what makes them such an intriguing possibility

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Human brains may have got bigger for no particular reason

Our brains are large compared with other animals, so it is tempting to assume there was an evolutionary advantage to them – but that may not be true at all

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The sneaky maths trick for solving problems without answering them

How can you have a proof without proving anything? Mathematicians found a way and, in the process, came to blows over it – but 100 years on, this trick is a common part of modern maths, says columnist Jacob Aron

Admin Recifes 15/07/2026 2

The sneaky maths trick for solving problems without answering them

How can you have a proof without proving anything? Mathematicians found a way and, in the process, came to blows over it – but 100 years on, this trick is a common part of modern maths, says columnist Jacob Aron

Admin Recifes 15/07/2026 2

From the US-Mexico border to protests in Poland: highlights of PhotoEspaña 2026

Spain’s leading festival of photography showcases the work of more than 300 visual artists in nearly 100 exhibitions across the countryPhotoEspaña, Spain’s leading festival of photography, held its official opening in Madrid this month and by September nearly 100 exhibitions will

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Pass the sick bag! Why I published a book on the art of the airline essential

One evoked a hellish trip from Delhi after passengers had drunk unsanitary water. Another conjoured up an era when planes were thick with cigarette smoke. And one man collected them all …If, a few years ago, someone told me that I would spend most of my 2026 scanning hundreds of

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Rembrandt painting was altered to erase turban from man’s head, restorers find

Exclusive: Unknown hand covered up artist’s depiction of diverse crowd during influx of refugees to Leiden in 1620sLayers of overpaint have been removed from a 17th-century painting, confirming that it was painted by Rembrandt and revealing that a turban on one of the figures had

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Ai Weiwei pushes Manchester’s buttons, a ceramicist makes it personal and frames get refra

The Chinese artist goes large on colonialism, a group show tackles a fun theme and Xanthe Somers’ stoneware fools the eye – all in your weekly dispatchAi Weiwei: Button Up!If any artist can fill the vast home of Factory International, it’s Ai Weiwei, with an installation about wo

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Madonna & Graham review – it’s ‘gay heaven’ when Kylie arrives

You can’t blame Graham Norton for being tongue-tied over the icon. They have a nice, hammy time – and another pop queen serves them drinks – but where is the naughtiness? London, 26 May. Tower Bridge straddles the Thames like, say, Madonna in Like a Virgin. Piccadilly lights. Ray

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Penelope Keith: the most spectacular sitcom snob ever to grace our screens

In The Good Life, To the Manor Born and beyond, the star played domineering snobs with pinpoint comic timing – yet she still made them feel like old friends. No one will do it betterAt their broadest, and most audience-friendly, sitcoms thrive on stock characters: chancers, jobsw

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