TGViewer
Channel Public Channel
生物医学科技前线

生物医学科技前线

@sci_feed

看看这世界生物医学科学又进步了多少?
友频 @CNSmydream
Subscribers
652
Photos
0
Videos
0
Links
5K

Showing posts older than #4071 · Back to latest

Older Posts 20 shown
Post #4070 62
施罗丁格的颜色理论终于完成了100年后
科学家们在100年后完成了色彩理论的最后一步,通过使用先进的几何学,他们展示了颜色的色调、饱和度和亮度并不是由文化或经验决定的,而是直接嵌入了我们看到颜色的数学结构中。通过定义一个关键的缺失元素——中性轴,研究人员修复了施罗丁格…
来源: ScienceDaily | 阅读全文
发布时间: 2026-02-23 23:24 GMT+8(北京时间)
#色彩理论 #施罗丁格 #几何学 #色调 #饱和度
ScienceDaily Schrödinger’s color theory finally completed after 100 years A century after Erwin Schrödinger sketched out a bold vision for how we perceive color, scientists have finally filled in the missing pieces. A Los Alamos team used advanced geometry to show that hue, saturation, and lightness aren’t shaped by culture or…
Post #4069 59
乌克兰医疗机构遭袭次数增加20%
乌克兰正处于全面战争的第五年,医疗机构遭受的袭击次数在2025年达到了历史新高,相比2024年增加了近20%。自2022年2月24日全面战争爆发以来,世卫组织已经记录了2881起针对乌克兰医疗机构的袭击事件,影响到了医疗人员、医疗设施、救护车…
来源: WHO | 阅读全文
发布时间: 2026-02-24 00:14 GMT+8(北京时间)
#乌克兰 #医疗机构 #袭击 #卫生组织 #健康服务
World Health Organization Attacks on Ukraine’s health care increased by 20% in 2025 Since the beginning of the full-scale war on 24 February 2022, WHO has documented at least 2881 attacks on health care in Ukraine, affecting health workers, facilities, ambulances, and medical warehouses.
Post #4068 51
遗传学揭示音乐、艺术和文学带来的‘心悸’原因
研究人员发现,某些人在听音乐、读诗或欣赏艺术作品时会感到心悸,而这部分原因在于他们的基因。
来源: Medical Xpress | 阅读全文
发布时间: 2026-02-24 00:55 GMT+8(北京时间)
#遗传学 #音乐 #艺术 #文学
Medicalxpress Genetics helps explain who gets the 'telltale tingle' from music, art and literature Why do some people feel chills when listening to music, reading poetry, or viewing a powerful work of art, while others do not? New research by Giacomo Bignardi and his colleagues from Max Planck Institute ...
Post #4067 74
新基因编辑工具纠正小鼠脑部遗传疾病
研究人员发现一种新基因编辑疗法可以通过修复CHD3基因突变来治疗一种罕见的神经发育障碍——斯尼德勒斯-布洛克-康佩奥综合症。通过一种无害的病毒载体,将TadA嵌入的腺苷碱基编辑器(TeABE)送达小鼠模型,用于修复CHD3基因突变。
来源: Medical Xpress | 阅读全文
发布时间: 2026-02-23 23:50 GMT+8(北京时间)
#基因编辑 #基因疗法 #神经发育障碍
Medicalxpress New targeted base-editing tool corrects genetic brain disorder in mice Researchers have found that a new base-editing gene therapy can help treat a rare neurodevelopmental disorder called Snijders Blok–Campeau syndrome caused by mutations in the CHD3 gene. A specialized ...
Post #4066 171
超龄者:一种遗传优势让一些人保持清醒
研究发现,80岁以上的超龄者具有独特的遗传优势。他们比其他健康老年人更不容易携带与阿尔茨海默病风险相关的基因,研究人员还发现这一群体中有更高的保护性基因变异水平。
来源: ScienceDaily | 阅读全文
发布时间: 2026-01-22 22:41 GMT+8(北京时间)
#超龄者 #遗传优势 #阿尔茨海默病 #保护性基因变异
ScienceDaily The genetic advantage that helps some people stay sharp for life A new study reveals that super agers over 80 have a distinct genetic edge. They are much less likely to carry the gene most associated with Alzheimer’s risk, even when compared with other healthy seniors. Researchers also found higher levels of a protective…
Post #4065 251
Zero-alcohol ads hook teens, research suggests
Zero-alcohol drink advertising may not be as harmless as it seems, with new Flinders University research showing it could increase teenagers' interest in drinkin…
来源: Medical Xpress | 阅读全文
发布时间: 2026-02-23 20:20 GMT+8(北京时间)
Medicalxpress Zero-alcohol ads hook teens, research suggests Zero-alcohol drink advertising may not be as harmless as it seems, with new Flinders University research showing it could increase teenagers' interest in drinking full-strength alcohol.
Post #4064 222
清洁鱼展现自我意识在惊人的镜子实验中
清洁鱼在镜子实验中展现出出色的自我意识,标记了假寄生虫后,它们使用镜子来检查并清除斑点——比早期测试中看到的更快。更令人惊讶的是,一些鱼在镜子前扔下虾来观察其反射的移动,这是一种探索性“后果测试”。研究结果表明,自我意识可能远不…
来源: ScienceDaily | 阅读全文
发布时间: 2026-02-23 14:55 GMT+8(北京时间)
#清洁鱼 #自我意识 #镜子实验
ScienceDaily Cleaner wrasse show self awareness in stunning mirror experiments Cleaner wrasse have revealed a remarkable new side of fish intelligence. Marked with fake parasites, they used mirrors to inspect and remove the spots—far faster than seen in earlier tests. Even more striking, some fish dropped shrimp in front of the mirror…
Post #4063 155
简单血液测试可以预测阿尔茨海默症的发病时间
科学家们开发了一种血液测试,可以预测阿尔茨海默症的症状何时会出现。通过测量一种叫做p-tau217的蛋白质,模型可以预测症状的开始时间大约在三到四年内。这一蛋白质反映了大脑中阿米洛伊和tau的沉积,远远早于记忆丧失的出现。这一突破可…
来源: ScienceDaily | 阅读全文
发布时间: 2026-02-23 19:46 GMT+8(北京时间)
#阿尔茨海默症 #血液测试 #预测 #ptau217 #蛋白质
ScienceDaily Simple blood test can forecast Alzheimer’s years before memory loss Scientists have created a blood test that can estimate when Alzheimer’s symptoms are likely to begin. By measuring a protein called p-tau217, the model predicts symptom onset within roughly three to four years. The protein mirrors the silent buildup of amyloid…
Post #4062 126
撒哈拉发现巨型“地狱鹳”:新发现的巨型蜥脚类恐龙
科学家在撒哈拉深处发现了Spinosaurus mirabilis——一只冠有巨大、斧头状冠状的新捕食者。发现于尼日尔内陆河流沉积物中,这个化石重写了我们对蜥脚类恐龙的了解,表明它们并不是完全水生捕食者,而是强大的跃水者,曾在数百英里以外的森…
来源: ScienceDaily | 阅读全文
发布时间: 2026-02-23 13:10 GMT+8(北京时间)
#Spinosaurus #撒哈拉 #蜥脚类恐龙
ScienceDaily A giant blade-crested spinosaurus, the “hell heron,” discovered in the Sahara Deep in the heart of the Sahara, scientists have uncovered Spinosaurus mirabilis — a spectacular new predator crowned with a massive, scimitar-shaped crest that may once have blazed with color under the desert sun. Discovered in remote inland river deposits…
Post #4061 76
NIH宣布重大政策转变,结束在NIH支持的研究中使用人类胎儿组织
美国国立卫生研究院(NIH)宣布,终止在NIH支持的研究中使用人类胎儿组织,转而使用下一代验证研究模型。
来源: NIH | 阅读全文
#NIH #美国国立卫生研究院 #人类胎儿组织 #研究模型
Post #4060 77
2型糖尿病如何悄悄损害血管
研究人员发现,2型糖尿病患者患心脏病的风险随着疾病的持续时间而增加。研究人员发现,几年后,红细胞会开始干扰健康血管的功能。这一有害的转变在新诊断患者中没有出现,但随着时间的推移而出现。血液中的一个小分子可能有助于早期标记出心血…
来源: ScienceDaily | 阅读全文
发布时间: 2026-01-23 00:06 GMT+8(北京时间)
#2型糖尿病 #血管损害 #心血管风险
ScienceDaily How type 2 diabetes quietly damages blood vessels Type 2 diabetes becomes more dangerous to the heart the longer a person has it. Researchers found that after several years, red blood cells can begin interfering with healthy blood vessel function. This harmful shift was not present in newly diagnosed patients…
Post #4059 59
冰川中被冻结5000年,抗生素抵抗力强的细菌现身
科学家在罗马尼亚冰洞中发现了一种5000年前的细菌,它对许多现代抗生素具有抵抗力,尽管它比抗生素的使用时代早了5000年。这种冷适应性的微生物携带了100多个与抗药性相关的基因,并能抵抗用于治疗结核病和尿路感染的药物。
来源: ScienceDaily | 阅读全文
发布时间: 2026-02-22 11:38 GMT+8(北京时间)
#冰川 #抗生素 #抗药性 #细菌
ScienceDaily Frozen for 5,000 years, this ice cave bacterium resists modern antibiotics Deep inside a Romanian ice cave, locked away in a 5,000-year-old layer of ice, scientists have uncovered a bacterium with a startling secret: it’s resistant to many modern antibiotics. Despite predating the antibiotic era, this cold-loving microbe carries…
Post #4058 79
对宠物使用的跳蚤和蜱虫药物可能伤害野生动物
科学家发现,许多宠物主人信赖的跳蚤和蜱虫药物可能会带来意想不到的环境成本。研究人员发现,伊索沙唑类药物的活性成分会通过宠物的粪便进入环境,毒害食用粪便的昆虫。这些昆虫对于营养循环和土壤健康至关重要。研究结果表明,日常的宠物治…
来源: ScienceDaily | 阅读全文
发布时间: 2026-02-22 14:24 GMT+8(北京时间)
#伊索沙唑类药物 #宠物 #跳蚤和蜱虫药物 #环境成本 #野生动物
ScienceDaily Flea and tick treatments for dogs and cats may be harming wildlife Flea and tick medications trusted by pet owners worldwide may have an unexpected environmental cost. Scientists found that active ingredients from isoxazoline treatments pass into pet feces, exposing dung-feeding insects to toxic chemicals. These insects…
Post #4057 91
三角盔头骨有巨大的鼻子,可能用来降低头部温度
通过CT扫描和3D重建化石头骨,研究人员发现三角盔的鼻子里有一个复杂的鼻腔系统,可能包含了神经和血管的复杂网络,还有调节热和湿度的特殊结构。
来源: ScienceDaily | 阅读全文
发布时间: 2026-02-22 20:20 GMT+8(北京时间)
#三角盔 #CT扫描 #3D重建 #鼻腔系统 #头骨
ScienceDaily Triceratops had a giant nose that may have cooled its massive head Triceratops’ massive head may have been doing more than just showing off those famous horns. Using CT scans and 3D reconstructions of fossil skulls, researchers uncovered a surprisingly complex nasal system hidden inside its enormous snout. Instead of being…
Post #4056 75
新型氧气凝胶有助于预防糖尿病患者肢体切除
研究人员在加州大学河滨分校开发了一种新型氧气凝胶,通过微型电池系统持续输送氧气到伤口最深层,帮助糖尿病患者伤口愈合,减少肢体切除风险,甚至可能开启人工器官培养的新途径。
来源: ScienceDaily | 阅读全文
发布时间: 2026-02-22 21:14 GMT+8(北京时间)
#氧气凝胶 #糖尿病 #伤口愈合
ScienceDaily New oxygen gel could prevent amputation in diabetic wound patients Chronic wounds often spiral out of control because oxygen can’t reach the deepest layers of injured tissue. A new gel developed at UC Riverside delivers a continuous flow of oxygen right where it’s needed most, using a tiny battery-powered system. In high…
Post #4055 135
美国原产的核桃可能比人们想象的更有助于心脏健康
科学家经过20多年的研究后发现,核桃可以改善心血管健康的关键指标,包括总胆固醇和“坏”LDL胆固醇,支持抗氧化防御。
来源: ScienceDaily | 阅读全文
发布时间: 2026-02-22 21:52 GMT+8(北京时间)
#核桃 #心脏健康 #胆固醇
ScienceDaily Pecans found to improve cholesterol and boost heart health A sweeping new scientific review suggests that pecans — America’s native nut — may pack more heart power than many people realize. After analyzing over 20 years of research, scientists found consistent evidence that eating pecans can improve key markers of…
Post #4054 96
爆炸波可以在没有头部受伤的情况下损伤大脑
爆炸不需要直接击中头部就能损伤大脑。当爆炸发生时,它会产生一个突然的压力波,这种波可以在毫秒内穿过身体和颅骨,潜在地使大脑组织和血管变形。
来源: Medical Xpress | 阅读全文
发布时间: 2026-02-22 02:30 GMT+8(北京时间)
#爆炸波 #大脑损伤 #颅骨
Medicalxpress How blast waves can damage the brain without a head injury An explosion does not need to strike the head to injure the brain. When a blast occurs, it generates a sudden pressure wave that can pass through the body and skull in milliseconds, potentially deforming ...
Post #4053 76
美国新饮食指南强调‘真实食物’—但低收入孕妇难以获得
美国联邦政府在2026年1月发布的《美国饮食指南》中,简洁地传达了一个信息:‘吃真实的食物’。然而,研究表明,低收入的孕妇难以获得这些食物,导致他们的饮食质量不佳,影响了他们和他们未出生的婴儿的健康。
来源: Medical Xpress | 阅读全文
发布时间: 2026-02-22 01:00 GMT+8(北京时间)
#饮食指南 #真实食物 #低收入孕妇
Medicalxpress New dietary guidelines prioritize 'real food'—but low-income pregnant women can't easily obtain it The federal government's message in its new Dietary Guidelines for Americans, released in January 2026, couldn't be simpler: "Eat real food."
Post #4052 80
MRI扫描显示:运动可以让大脑看起来更年轻
一项研究表明,持之以恒的有氧运动可以帮助保持大脑的生物学年龄。研究发现,长达一年的经常运动者,其大脑年龄比不改变习惯的人要小约一岁。该研究重点关注中年期,这是预防可能带来长期益处的关键时期。即使是脑年龄的小幅度变化,也可能在数…
来源: ScienceDaily | 阅读全文
发布时间: 2026-01-22 14:51 GMT+8(北京时间)
#MRI #运动 #大脑年龄 #生物学年龄
ScienceDaily MRI scans show exercise can make the brain look younger New research suggests that consistent aerobic exercise can help keep your brain biologically younger. Adults who exercised regularly for a year showed brains that appeared nearly a year younger than those who didn’t change their habits. The study focused…
Post #4051 42
世界卫生组织重申致力于消灭麻风病,强调合作和进展在世界麻风病日前夕
世界卫生组织(WHO)在即将到来的世界麻风病日(1月25日)前,表示麻风病的治疗是消灭麻风病的全球努力的关键。麻风病是一种由细菌引起的传染病,主要影响皮肤和周围神经,如果不治疗,可能导致逐渐恶化和永久性残疾,并引起社会孤立和耻辱。然…
来源: WHO | 阅读全文
发布时间: 2026-01-22 01:14 GMT+8(北京时间)
#世界卫生组织 #麻风病 #消灭麻风病 #多药疗法
World Health Organization WHO renews commitment to a leprosy-free world, spotlighting partnership and progress ahead of World Leprosy Day Access to treatment for leprosy is essential to global efforts to eliminate leprosy, says the World Health Organization (WHO) ahead of World Leprosy Day, to be observed on 25 January.
Older posts →
Threads Profile ViewerView any public Threads profile without an account.Open ThreadLook →Writing with AI? Make it sound human.Metric37 rewrites AI drafts so they read naturally. Free AI detector, 1,500 words free.Try Metric37 →