METR’s randomized controlled trial (July 2025; updated February 24, 2026) with 16 experienced open-source developers found that participants using AI were 19% slower, not faster. Developers expected AI to speed them up, and after the measured slowdown had already occurred, they still believed AI had sped them up by 20%. These were not junior developers but experienced open-source maintainers. If even THEY could not tell in this setup, subjective impressions alone are probably not a reliable performance measure.
The grocery chain, which sources all its mackerel from Scottish waters, said that from May 2026, North East Atlantic mackerel would no longer meet the supermarket's own responsible sourcing requirements.
复旦大学老龄研究院教授申琦将这种现象称为：老年人大模型使用中的“提问沟”。，这一点在新收录的资料中也有详细论述
Wuensch has spent decades working with these machines to crack the deepest mysteries of the universe. Now he and his colleagues are aiming at a new target: cancer. Here at CERN (the European Organization for Nuclear Research) and other particle-physics labs, scientists and engineers are applying the tools of fundamental physics to develop a technique called FLASH radiotherapy that offers a radical and counterintuitive vision for treating the disease.
。关于这个话题，新收录的资料提供了深入分析
It took 10 years to get surgery for my endometriosisMore on this story.
У побережья Камчатки произошло землетрясение20:42，更多细节参见新收录的资料