New Scientist - News
New Scientist - News

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Why AI resorts to stereotypes when it is role-playing humans
The often stereotyped and offensive responses from AI chatbots role-playing as humans can be explained by flaws in how large language models attempt to portray demographic identities
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Astronomers uncover the topsy-turvy atmosphere of a distant planet
The gas giant WASP-121b, also known as Tylos, has an atmospheric structure unlike any we have ever seen, and the fastest winds on any planet
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Odds of asteroid 2024 YR4 hitting Earth in 2032 have reached new high
Asteroid 2024 YR4 has a small chance of hitting Earth in 2032, but as astronomers make more observations about its trajectory, the odds of a collision seem to be increasing
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How the drone battles of Ukraine are shaping the future of war
As the Russia-Ukraine war reaches its third anniversary, militaries around the world are watching the evolution of drone warfare and planning for future conflicts
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Earth’s oceans may have been green for billions of years
Some cyanobacteria have pigments that specialise in harvesting green light to power photosynthesis, which may be because they evolved at a time when the oceans were iron-rich and green-tinged
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AI-generated optical illusions can sort humans from bots
Artificial intelligences fail to identify optical illusions in images created by other AIs – so these images could form the basis of a new kind of CAPTCHA test
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CAR T-cells enable record-breaking 18-year nerve cancer remission
A person with neuroblastoma, which occurs when developing nerve cells in children turn cancerous, has remained tumour-free for over 18 years thanks to CAR T-cell therapy
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Eight habits that could keep your heart healthy
From staying active to getting plenty of sleep, there are many ways to keep your heart healthy
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China launches hunt for ways to protect data from quantum computers
Efforts to develop next-generation cryptography algorithms that can't be broken by quantum computers are already underway in the US, but now China has announced it will seek its own solutions
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Pompeii’s streets show how the city adapted to Roman rule
Pompeii only came under Roman control around 160 years before its destruction – and its traffic-worn streets show how the locals adjusted their business operations