This compound enhances long-term memory of mice — but only in females

· · 来源:tutorial资讯

3月3日,Meta Platforms公司创始人马克·扎克伯格及其妻子以1.7亿美元购得迈阿密“亿万富豪避难所”——比斯坎湾私人岛屿上的一座豪宅。这栋房产创下了美国佛罗里达州迈阿密-戴德县最昂贵住宅交易纪录。此前有消息称,美国加州正推动一项公投,提议向拥有10亿美元以上的富豪征收一次性的5%“亿万富豪税”,这项征税提案将针对约200名身价10亿美元以上的加州居民。目前佛罗里达���则未有相关税收。(界面新闻)

По словам собеседника агентства, США стремятся убедить другие ближневосточные государства начать прямую войну с Ираном. Вашингтон также намерен завоевать общественное мнение в регионе путем нападения на мирное население в арабских странах, включая Саудовскую Аравию, и возложить вину за это на Тегеран.

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Израиль нанес удар по Ирану09:28

We propose sycophancy leads to less discovery and overconfidence through a simple mechanism: When AI systems generate responses that tend toward agreement, they sample examples that coincide with users’ stated hypotheses rather than from the true distribution of possibilities. If users treat this biased sample as new evidence, each subsequent example increases confidence, even though the examples provide no new information about reality. Critically, this account requires no confirmation bias or motivated reasoning on the user’s part. A rational Bayesian reasoner will be misled if they assume the AI is sampling from the true distribution when it is not. This insight distinguishes our mechanism from the existing literature on humans’ tendency to seek confirming evidence; sycophantic AI can distort belief through its sampling strategy, independent of users’ bias. We formalize this mechanism and test it experimentally using a rule discovery task.

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