科技与人工智能
OpenAI adds $500(!) Pro subscription, nerfs its existing $200 tier
How long until every other AI company does the same?
Engadget - Technology News & Expert Reviews ·
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国际新闻
Australian government concedes no scientific consensus on social media harms for teenagers – but ‘credible risks’ justify ban
Commonwealth tells high court its proposed laws to let users opt out of algorithms would ultimately have the same effect as the ban Get our breaking news email , free app or daily news podcast The Australian government has conceded it implemented the “world-leading” under-16s soc
World news | The Guardian ·
科技与人工智能
Less protein for maggots means longer lives for fruit flies
Back in the 1930s, scientists noticed that water fleas and rats fed restricted diets while young went on to live longer. The same effect has since turned up in fruit flies and mice. What we did not know was how a meal eaten in infancy could affect health weeks, months, or even ye
Ars Technica - All content ·
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科学与环境
These medieval graves looked like family burials. DNA told a different story
Ancient DNA shows that adults and children buried together in medieval Sweden were often not members of the same immediate family, suggesting that burial choices reflected more than biological kinship. The research also revealed early gender-based burial customs and uncovered the
All Top News -- ScienceDaily ·
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科学与环境
Scientists discover an “impossible” cellular survival pathway that could help fight cancer
Scientists discovered a surprising backup system that lets mammalian cells make the essential amino acid cysteine even when the pathways once considered indispensable are disabled. The same survival mechanism may help cancer cells resist treatment, raising the possibility that sh
All Top News -- ScienceDaily ·
科学与环境
Just how hot and dry was your summer? Use our postcode lookup to find out
Most of us experienced drought and heatwaves - but temperatures and rainfall were not the same everywhere.
feeds.bbci.co.uk ·
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商业与经济
Darden Restaurants stock falls as Olive Garden reports slower growth
Olive Garden's same-store sales growth has slowed in recent quarters.
Business News ·
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科学与环境
When what you see doesn’t make sense, your brain does something remarkable
The brain may have a built-in way to quickly settle disagreements between regions processing the same scene. Researchers found that matching signals between two visual areas lasted longer, while conflicting signals rapidly faded away. This “consensus building” mechanism could hel
All Top News -- ScienceDaily ·
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科学与环境
Distant time crystals can somehow fall into the same rhythm
Researchers have shown that multiple time crystals inside a semiconductor can synchronize their oscillations, much like pendulum clocks gradually falling into the same rhythm. The coupling is carried by spin-polarized electrons, allowing time crystals separated by up to 40 microm
All Top News -- ScienceDaily ·