telegra.ph/抗焦虑药污染河川鲑鱼更勇敢迁徙-科学家警告恐引发连锁生态冲击-05-12

药物污染，有助鲑鱼洄游？多数河流生长的鲑鱼必会游至大海，长大成熟并洄游以完成生命周期。最近瑞典科学家发现，安眠药成分污染水源后，竟有助大西洋鲑鱼（Atlantic salmon，Salmo salar）穿越激流，顺利进入大海。论文发表于《Science》期刊。瑞典农业科学大学（Swedish University of Agricultural Sciences）主导，结合澳洲葛瑞菲斯大学（Griffith University）河流研究所（Australian Rivers Institute）等…

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telegra.ph/抗焦虑药污染河川鲑鱼更勇敢迁徙-科学家警告恐引发连锁生态冲击-05-12

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Date: 2025-06-13| telegram

The lead from Wall Street offers little clarity as the major averages opened lower on Friday and then bounced back and forth across the unchanged line, finally finishing mixed and little changed.The Dow added 33.18 points or 0.10 percent to finish at 34,798.00, while the NASDAQ eased 4.54 points or 0.03 percent to close at 15,047.70 and the S&P 500 rose 6.50 points or 0.15 percent to end at 4,455.48. For the week, the Dow rose 0.6 percent, the NASDAQ added 0.1 percent and the S&P gained 0.5 percent.The lackluster performance on Wall Street came on uncertainty about the outlook for the markets following recent volatility.

Among the actives, Ascendas REIT sank 0.64 percent, while CapitaLand Integrated Commercial Trust plummeted 1.42 percent, City Developments plunged 1.12 percent, Dairy Farm International tumbled 0.86 percent, DBS Group skidded 0.68 percent, Genting Singapore retreated 0.67 percent, Hongkong Land climbed 1.30 percent, Mapletree Commercial Trust lost 0.47 percent, Mapletree Logistics Trust tanked 0.95 percent, Oversea-Chinese Banking Corporation dropped 0.61 percent, SATS rose 0.24 percent, SembCorp Industries shed 0.54 percent, Singapore Airlines surrendered 0.79 percent, Singapore Exchange slid 0.30 percent, Singapore Press Holdings declined 1.03 percent, Singapore Technologies Engineering dipped 0.26 percent, SingTel advanced 0.81 percent, United Overseas Bank fell 0.39 percent, Wilmar International eased 0.24 percent, Yangzijiang Shipbuilding jumped 1.42 percent and Keppel Corp, Thai Beverage, CapitaLand and Comfort DelGro were unchanged.