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看看这世界生物医学科学又进步了多少?
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Post #4310 26
达尔文200年前的标本瓶被科学家无需打开就打开了
科学家利用激光技术分析达尔文的原始加拉帕戈斯标本,而不需要打开近200年的瓶子。通过透过玻璃,方法揭示了保存液体的化学组成。研究人员成功识别了大多数样本的内容,提供了关于历史保存实践的新线索。这种突破可能会帮助博物馆保护数百万…
来源: ScienceDaily | 阅读全文
发布时间: 2026-03-05 13:58 GMT+8(北京时间)
#达尔文 #加拉帕戈斯 #激光技术 #标本 #保存液体
ScienceDaily Scientists just looked inside Darwin’s 200-year-old specimen jars without opening them Scientists have used a laser technique to analyze Charles Darwin’s original Galápagos specimens without opening their nearly 200-year-old jars. By shining light through the glass, the method reveals the chemical makeup of the preservation fluids inside. Researchers…
Post #4309 42
关节疼痛和骨关节炎患者中有数百万人错过最有效的治疗方法
专家指出,僵硬的膝盖和疼痛的臀部似乎是老化的必然结果,但我们对骨关节炎的理解存在误区。尽管影响全球近6亿人,到2050年可能达到10亿人,然而最有效的治疗方法并非手术或药物,而是运动。运动有助于营养软骨、增强肌肉、减少炎症并改变引起…
来源: ScienceDaily | 阅读全文
发布时间: 2026-03-05 05:35 GMT+8(北京时间)
#骨关节炎 #运动 #治疗 #关节疼痛
ScienceDaily Millions with joint pain and osteoarthritis are missing the most powerful treatment Stiff knees and aching hips may seem like an inevitable part of aging, but experts say we’re getting osteoarthritis all wrong. Despite affecting nearly 600 million people worldwide — and potentially a billion by 2050 — the most powerful treatment isn’t surgery…
Post #4308 42
美国中年人生活质量下降
美国出生于1960年代和1970年代初的年轻人面临着更具挑战性的中年生活,尤其是他们报告的孤独感和抑郁症状加剧,身体力量和记忆力也在下降。这种令人担忧的趋势在其他富裕国家中并不普遍,尤其是在北欧,中年人的福祉水平正在提高。
来源: ScienceDaily | 阅读全文
发布时间: 2026-02-01 23:25 GMT+8(北京时间)
#美国 #中年 #孤独感 #抑郁症 #身体健康
ScienceDaily Middle age is becoming a breaking point in the U.S. Middle age is becoming a tougher chapter for many Americans, especially those born in the 1960s and early 1970s. Compared with earlier generations, they report more loneliness and depression, along with weaker physical strength and declining memory. These…
Post #4307 23
阿尔茨海默病混乱记忆时脑在休息
研究人员发现,在阿尔茨海默病样小鼠中,当脑休息时,它们仍然重复最近的经验以加强记忆,但信号混乱且协调性差。结果,记忆支持的脑细胞失去稳定性,动物难以回忆曾经去过的地方。
来源: ScienceDaily | 阅读全文
发布时间: 2026-02-01 23:41 GMT+8(北京时间)
#阿尔茨海默病 #记忆 #脑休息
ScienceDaily Alzheimer’s scrambles memories while the brain rests When the brain rests, it usually replays recent experiences to strengthen memory. Scientists found that in Alzheimer’s-like mice, this replay still occurs — but the signals are jumbled and poorly coordinated. As a result, memory-supporting brain cells lose…
Post #4306 29
存在风险:为何科学家们竞相定义意识
科学家们警告称,人工智能和神经技术的快速进展正在超越我们对意识的理解,带来严重的伦理风险。新研究指出,开发意识的科学检测方法可能会改变医学、动物福利、法律和人工智能开发。然而,识别机器人、脑组织或患者的意识也可能迫使社会重新思…
来源: ScienceDaily | 阅读全文
发布时间: 2026-02-01 21:49 GMT+8(北京时间)
#存在风险 #意识 #人工智能 #神经技术
ScienceDaily “Existential risk” – Why scientists are racing to define consciousness Scientists warn that rapid advances in AI and neurotechnology are outpacing our understanding of consciousness, creating serious ethical risks. New research argues that developing scientific tests for awareness could transform medicine, animal welfare, law…
Post #4305 24
丹麦非肺结核性结核分枝杆菌病的非肺部疾病成本,2005-2017
本研究调查了丹麦2005-2017年间非肺部结核分枝杆菌病的经济负担,结果显示该疾病对丹麦卫生系统造成了显著的经济负担,平均每例病例约需花费4.4万欧元。研究还发现,非肺部结核分枝杆菌病的治疗费用高于其他常见疾病,尤其是对于老年患者…
来源: CDC | 阅读全文
发布时间: 2026-03-04 13:00 GMT+8(北京时间)
#结核分枝杆菌病 #非肺部疾病 #经济负担 #丹麦
Emerging Infectious Diseases journal Costs of Extrapulmonary Nontuberculous Mycobacteria Disease, Denmark, 2005–2017
Post #4304 39
美国洲首个国家:智利被WHO确认消灭麻风病
世界卫生组织(WHO)与泛美卫生组织(PAHO)表示祝贺,智利成为美洲第一国和全球第二国,获得了正式证书,证明消灭了麻风病。
来源: WHO | 阅读全文
发布时间: 2026-03-04 22:57 GMT+8(北京时间)
#世界卫生组织 #泛美卫生组织 #智利 #麻风病 #消灭
World Health Organization Chile becomes the first country in the Americas to be verified by WHO for the elimination of leprosy WHO, together with the Pan American Health Organization (PAHO), congratulates Chile for becoming the first country in the Americas – and the second globally – to be officially verified as having eliminated leprosy disease.
Post #4303 41
释放救援的低语猴可能会造成致命后果
研究人员跟踪了九只释放的低语猴,发现只有两只存活下来,多数被其他低语猴的领土攻击所杀。科学家称,为了确保野生动物释放有助于濒临灭绝物种,需要更好的规划。
来源: ScienceDaily | 阅读全文
发布时间: 2026-03-04 12:19 GMT+8(北京时间)
#低语猴 #野外释放 #濒危物种
ScienceDaily Study finds wild release can be deadly for rescued slow lorises Returning rescued slow lorises to the wild may sound like a conservation success, but a new study shows it can turn deadly. Researchers tracked nine released animals and found that only two survived, with most killed in territorial attacks by other lorises.…
Post #4302 32
手掌照片可能成为诊断严重疾病的关键
科学家们开发了一种AI系统,通过分析手掌和握拳的照片来检测一种罕见的激素失调症——巨人症。这种疾病通常会缓慢发展,可能需要多年才能被诊断出来,若不治疗,病情会缩短生命预期。
来源: ScienceDaily | 阅读全文
发布时间: 2026-03-05 00:59 GMT+8(北京时间)
#巨人症 #AI系统 #疾病检测
ScienceDaily A simple hand photo may be the key to detecting a serious disease Researchers at Kobe University have developed an AI system that can detect acromegaly, a rare hormone disorder, by analyzing photos of the back of the hand and a clenched fist. The disease often develops slowly and can take years to diagnose, even though…
Post #4301 32
常见水果和蔬菜与更高的杀虫剂水平相关
一项大型研究表明,人们的饮食中食用含有更高杀虫剂残留的水果和蔬菜(如草莓、菠菜和甜椒)会导致尿液中杀虫剂水平显著升高。虽然水果和蔬菜是健康饮食的核心,但研究结果强调了日常饮食选择如何驱动与癌症、激素失调和发育障碍相关的实际暴…
来源: ScienceDaily | 阅读全文
发布时间: 2026-03-05 02:09 GMT+8(北京时间)
#杀虫剂 #水果 #蔬菜 #健康饮食
ScienceDaily Popular fruits and vegetables linked to higher pesticide levels A sweeping new study reveals that what’s on your plate may directly shape the pesticides circulating in your body. Researchers found that people who eat more fruits and vegetables known to carry higher pesticide residues—such as strawberries, spinach, and…
Post #4300 50
自动化CT扫描分析可能加快临床评估
美国国立卫生研究院资助的研究表明,AI驱动的工具可能能够简化诊断并揭示慢性疾病的早期标志。
来源: NIH | 阅读全文
#AI #CT扫描 #临床评估
Post #4299 54
强力虫基因多样性在中非共和国人类、狗和非人类灵长类动物中,2016-2022年
研究人员在中非共和国发现了强力虫在人类、狗和非人类灵长类动物中的基因多样性,研究结果表明这些物种之间存在着密切的基因交流。研究人员通过对样本的分析发现,人类和狗之间存在着明显的基因流动,非人类灵长类动物也表现出与人类和狗的基…
来源: CDC | 阅读全文
发布时间: 2026-03-04 13:00 GMT+8(北京时间)
#强力虫 #基因多样性 #人类 #狗 #非人类灵长类动物
Emerging Infectious Diseases journal <em>Strongyloides</em> Genetic Diversity among Humans, Dogs, and Nonhuman Primates, Central African Republic, 2016–2022 <em>Strongyloides</em> Genetic Diversity, CAR, 2016–2022
Post #4298 61
平常食物中的微小变化可能会挽救数千人生命
研究人员发现,降低面包、包装食品和外卖食品中的盐分,可能会显著降低法国和英国的心脏病和中风发病率。这种变化的优势在于人们不需要改变饮食习惯。对食品供应的微小调整可能会带来巨大的长期健康益处。
来源: ScienceDaily | 阅读全文
发布时间: 2026-01-31 22:27 GMT+8(北京时间)
#心脏病 #中风 #盐分 #食品安全
ScienceDaily A quiet change in everyday foods could save thousands of lives Lowering salt in everyday foods could quietly save lives. Researchers found that modest sodium reductions in bread, packaged foods, and takeout meals could significantly reduce heart disease and stroke rates in France and the U.K. The key advantage is that…
Post #4297 43
科学家们终于解释了statin肌肉疼痛的原因
statin药物是心脏健康的基石,但肌肉疼痛和无力使许多患者停止服用它们。科学家们现在已经找到了这些副作用的精确分子触发器。他们发现statin药物堵塞了肌肉中的一个关键蛋白质,导致毒性钙泄漏。这种发现可能会导致不损害肌肉的更安全的s…
来源: ScienceDaily | 阅读全文
发布时间: 2026-01-31 23:39 GMT+8(北京时间)
#statin #肌肉疼痛 #钙泄漏
ScienceDaily Scientists finally explain statin muscle pain Statins are a cornerstone of heart health, but muscle pain and weakness cause many patients to quit taking them. Scientists have now identified the precise molecular trigger behind these side effects. They found that statins jam open a critical muscle protein…
Post #4296 50
激光打印的水凝胶植入物可能改变骨骼修复
瑞士联邦理工学院的研究人员开发了一种类似于人体自然愈合过程的水凝胶,用于骨折修复,打破了传统的骨折修复方法,具有潜在的革命性。该水凝胶由97%的水组成,可以用激光打印成复杂的骨骼样结构,打印速度快,细节精细,甚至可以打印出细于人…
来源: ScienceDaily | 阅读全文
发布时间: 2026-03-04 01:31 GMT+8(北京时间)
#激光打印 #水凝胶 #骨骼修复
ScienceDaily Laser printed hydrogel implant could transform bone repair When a bone break is too severe to heal on its own, surgeons often rely on grafts or rigid metal implants — but both come with serious drawbacks. Now, researchers at ETH Zurich have created a jelly-like hydrogel that mimics the body’s natural healing process…
Post #4295 45
Wolves are stealing cougar kills in Yellowstone, study finds
In Yellowstone’s wild chess match between wolves and cougars, it turns out the real power play is theft. After tracking nearly a decade of GPS data and thousands of k…
来源: ScienceDaily | 阅读全文
发布时间: 2026-03-04 02:10 GMT+8(北京时间)
ScienceDaily Wolves are stealing cougar kills in Yellowstone, study finds In Yellowstone’s wild chess match between wolves and cougars, it turns out the real power play is theft. After tracking nearly a decade of GPS data and thousands of kill sites, researchers found that wolves often muscle in on cougar kills—sometimes even killing…
Post #4294 38
一种简单的血液蛋白质可能可以阻止致命的黑色念珠菌
科学家们在对抗世界上最致命的真菌感染中找到了一个意外的英雄:人体血液中最丰富的蛋白质——白蛋白。在一项重大国际研究中,研究人员发现,患有黏液菌病(一种快速进展且常常致命的“黑色念珠菌”感染)的患者白蛋白水平异常低,而这种缺陷会大…
来源: ScienceDaily | 阅读全文
发布时间: 2026-03-04 03:56 GMT+8(北京时间)
#白蛋白 #黏液菌病 #黑色念珠菌
ScienceDaily This simple blood protein could stop a deadly black fungus Scientists have uncovered a surprising new hero in the fight against one of the world’s deadliest fungal infections: albumin, the most abundant protein in human blood. In a major international study, researchers found that people who develop mucormycosis…
Post #4293 34
日本猕猴的热水浴:它们的身体在干什么?
研究人员在日本发现,日本猕猴定期泡温泉后,身体内的虱子分布和肠道细菌会有细微变化。令人惊讶的是,共用热水池并不会增加它们的寄生虫负担,挑战了疾病风险的假设。
来源: ScienceDaily | 阅读全文
发布时间: 2026-03-04 06:55 GMT+8(北京时间)
#日本猕猴 #热水浴 #虱子 #肠道细菌
ScienceDaily What snow monkeys’ steamy baths are really doing to their bodies Japanese snow monkeys don’t just soak in hot springs to escape the winter chill — their steamy spa sessions may also be reshaping their invisible world. Researchers in Japan found that macaques who regularly bathe show subtle but intriguing differences in…
Post #4292 31
澳大利亚野生花卉蜂蜜有强大的杀菌能力
在抗生素和消毒剂出现之前,古埃及、古希腊和中国的医生会用蜂蜜来治疗伤口。考古证据表明,人类已经在数千年间采集和收集蜂蜜,并且在很长一段时间里,我们认为蜂蜜不仅仅是食物。
来源: Medical Xpress | 阅读全文
发布时间: 2026-03-04 10:20 GMT+8(北京时间)
#蜂蜜 #澳大利亚 #野生花卉 #杀菌能力
Medicalxpress Honey from Australian wildflowers has potent power to kill bacteria Before antibiotics and antiseptics, healers across ancient Egypt, Greece, and China reached for honey to treat wounds. Archaeological evidence shows humans have been harvesting and collecting honey for ...
Post #4291 21
科学家们发现大脑对阿尔茨海默症的隐秘防御机制
研究人员发现了一种天然的清除系统,帮助去除有毒的tau蛋白,防止其形成有害的团块。研究还表明,细胞应激会产生与阿尔茨海默症相关的危险tau片段。增强大脑的天然防御机制可能指明了新的治疗方法。
来源: ScienceDaily | 阅读全文
发布时间: 2026-03-04 10:38 GMT+8(北京时间)
#阿尔茨海默症 #tau蛋白 #大脑清除系统 #细胞应激
ScienceDaily Scientists just found the brain’s hidden defense against Alzheimer’s A new study has uncovered why some brain cells are more resistant to Alzheimer’s damage than others. Researchers found a natural cleanup system that helps remove toxic tau protein before it can form harmful clumps. The study also shows that cellular stress…
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