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The AI chatbot known as ChatGPT, developed by the company OpenAI, has caught the public’s attention and imagination. Some applications of the technology are truly impressive, such as its ability to summarize complex topics or to engage in long conversations. It’s no surprise that other AI companies have been rushing to release their own large
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Astronomers on Monday warned that the light pollution created by the soaring number of satellites orbiting Earth poses an “unprecedented global threat to nature”. ​The number of satellites in low Earth orbit have more than doubled since 2019, when US company SpaceX launched the first “mega-constellation,” which comprise thousands of satellites. ​An armada of new
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Creating rocky planets is a messy, dangerous, hot business. Planetesimals accrete together, which creates heat and pressure on the newborn world. The nearby adolescent star bombards them with intense radiation. That likely “bakes off” any surface oceans, lakes, or rivers, which is a disaster if you’re looking for places where life might arise or exist.
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A large-scale animal study from 2021 revealed something interesting about yawning: Vertebrates with larger brains and more neurons tend to have longer-lasting yawns. Researchers collected data on 1,291 separate yawns from zoo trips and online videos, covering a total of 55 mammal species and 46 bird species. They found “robust positive correlations” between how long