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编辑者： Svitlana Velhush
*US AFFIRMED AT AA+ BY S&P; OUTLOOK STABLE
S&P Global确认美国信用评级为AA+。
该机构指出美国经济的韧性，这支撑了税收收入的稳定征收。
周五，26年2026月，S&P Global公布了维持先前评级的决定。
从2026年到2029年，美国GDP增长预测约为每年2%。
尽管政治极化加剧，强大的机构和制衡体系仍继续决定政策结果。
该机构强调，包括关税收入在内的广泛收入增长应降低预算偏差的风险。
第一季度美国经济增速快于预期：数据修正后，GDP年化增长2,1%。
此前分析师预测增长率为1,6%。
S&P是2011年首家下调美国主权评级的评级机构。
评级展望保持稳定。
人工智能投资仍然是一个重要因素，尽管对生产力的长期影响尚不明确。
在不断变化的政策环境下，美国经济为何能保持如此韧性？
S&P affirms 'AA+' credit rating for US, cites economic resilience | Reuters
Great paper from Anthropic on AI agents doing ML-for-science research. (bookmark it) If you build AI-scientist systems, this one is worth your time. They propose Agent4Sci, which gives frontier coding agents 20 scientific ML benchmarks across 11 domains and asks them to beat
Common sense has prevailed. UK government approves Jackdaw gas field, and says production will start this month - follow live - BBC News share.google/uU1mLpX8bHETgd…
OpenAI showed that AI agents can handle the slowest step in modern biology, making sense of huge experiments. By splitting a huge brain experiment among 1,946 AI agents, OpenAI got in 32 minutes what it estimates would take people months: a ranked list of leads for new
GPT-Rosalind surfaced a new lead for drug discovery: could restoring cholesterol transport protect neurons from degeneration? DCTN1 is a gene linked to Perry syndrome, a rare neurodegenerative disorder. In mouse-brain data, disrupting it increased expression of genes involved in
