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2 people die of Cyclospora infection in Michigan

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Scientists uncover big clue as to how Antarctica's mysterious Blood Falls came to be

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'Poop pills' may ease insomnia by reprogramming the gut microbiome, early study hints

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'We're a bit late on the case, but we are on the case': Author Fred Pearce on the rise of renewables, a defused population bomb, and letting nature find its own way

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Did Celtic women fight in battle?

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Hubble telescope takes one of the most detailed looks at neighboring Andromeda galaxy ever — Space photo of the week

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Ancient bullets reveal where a Roman camp hid in the Pyrenees of Spain before being ambushed

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'The apparent chaos of the Anthropocene is turbocharging evolution itself': Plants are finding ways to survive and thrive in the climate crisis — if we let them

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Aspen trees provide a natural buffer against wildfires, even as fire season intensifies, study shows

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Rock crystal scraper: 45,000-year-old Neanderthal tool that shows they had an 'eye for beauty of form and color'

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Did fungi give mammals an evolutionary edge after the dinosaur-killing asteroid hit? New evidence revives a provocative hypothesis

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Two-Year Lifestyle Program Boosts Cognition 55% More in Older Adults

与单独灵活的健康指导相比,根据文化定制的生活方式计划和持续的支持可以带来更大的认知改善。在 11 个拉丁美洲国家,有痴呆症风险的老年人通过适应当地文化的生活方式计划改善了他们的记忆力和思维能力。最大的收获出现在那些接受定期辅导、监督活动和结构化社交[...]

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Long-Lost Megalodon Fossils Found Hiding on a Museum Shelf

失传已久的巨齿鲨椎骨重新引发了有关巨鲨的疑问,同时也暴露了博物馆藏品的脆弱性。几十年来,几块巨大的鲨鱼椎骨一直静静地躺在博物馆的架子上,没有引起人们的注意。一旦被识别出来,这些长期失踪的化石就重新打开了了解巨齿鲨(现在正确的 Otodus 巨齿鲨)生活的罕见窗口,巨齿鲨是有史以来最大的掠食者之一 [...]

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Ancient Egyptian Princesses Were Trained Warriors, Their Bones Reveal

强壮的肌肉附着和愈合的骨折表明皇室女性可以使用随葬的武器,同时也表明崇高的地位并不能保护她们免受苦难。曾被认为失踪的六具皇家木乃伊在 2020 年重新出现,为研究人员提供了研究五位古埃及公主和何王的新机会。这些女性包括 [...]

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New Research Questions Decades of Low-Fat Dairy Advice

研究人员发现,人们可以每天食用三份全脂乳制品,而不会对体重、身体成分、能量代谢或血脂水平产生不利影响。多年来,人们在浏览乳制品货架时往往会倾向于脱脂牛奶和低脂产品,这主要是因为全脂乳制品含有饱和脂肪。然而乳制品对健康的影响 [...]

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World’s First Photonic Time Crystal Can Reshape Light in Trillionths of a Second

世界上第一个光子时间晶体几乎可以立即重塑光,为超快光学技术开辟了道路。一个国际研究团队创造了第一个经过实验证明的全光学光子时间晶体(PTC),这种材料的光学行为可以在极短的时间内强烈且重复地改变。这项工作由科学家进行 [...]

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Scientists Discover the Brain May Enter a New Biological Phase Between 50 and 75

一项单细胞研究揭示了衰老人类海马体内免疫细胞、基因组组织和基因调控的重大变化,为大脑衰老和与年龄相关的痴呆症提供了重要见解。大约在 50 岁到 75 岁之间,人类海马体的细胞结构开始发生变化。免疫细胞发生变化,基因组的物理组织减弱,并且 [...]

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Experimental Eye Drops Restore Sight in Blind Mice

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