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英国《自然·医学》期刊14日在线发表的一篇论文报告称，法国与奥地利科学家发现一种饮食中的普通化合物可延长寿命。实验显示，该化合物可以延长小鼠寿命，并改善小鼠和大鼠的心血管健康状况。亚精胺是一种动物体内合成的代谢物，也见于各种食品中，包括成熟奶酪、豆类和全谷类。过去，人们已经意识到亚精胺可能会延长生物寿命，但都只在诸如酵母、果蝇和线虫等简单生物体中得出的结论。
Changing Views of Evolutionary Factors at Work on Earliest Mammals
Changing Views Evolutionary Factors Earliest Mammals
2016/11/29
Using 3D-printed replicas of 200-million-year-old mammal teeth and polymers that mimic insect prey, scientists at the University of Massachusetts Amherst this week provide the first laboratory-tested ...
Mobs are,sometimes,good
Mobs are sometimes good
2016/11/29
Submitting to mob mentality is always a risky endeavor, for humans or hyenas. A new Michigan State University study focusing on the latter, though, shows that when it comes to battling for food, mobbi...
New Study:Male Chimpanzees Can Be Players And Good Fathers
Male Chimpanzees Players Good Fathers
2016/11/29
New research suggests that male chimpanzees are more invested in protecting their own offspring than previously thought. Researchers found male chimpanzees spend time with non-mating female chimpanzee...
Towering gypsum dunes span hundreds of square miles in New Mexico's White Sands National Monument, the largest gypsum dune field in the world. Hundreds of animal species thrive in this unique ecosyste...
The brains of wild cats don’t necessarily respond to the same evolutionary pressures as those of their fellow mammals, humans and primates, indicates a surprising new study led by a Michigan State Uni...
New Gene-Editing Technology Cures Genetic Blood Disorder in Mice
New Gene-Editing Technology Cures Genetic Blood Disorder Mice
2016/11/4
A next-generation gene-editing system developed by Carnegie Mellon University and Yale University scientists has cured a genetic blood disorder in living mice using a simple IV treatment. Unlike the p...
功能正常的小鼠卵细胞可人工培养
功能正常 小鼠卵细胞 人工培养
2016/11/1
英国《自然》杂志近日发表的一项研究表明，日本科学家成功在培养皿中生成了完全由细胞培养产生且功能正常的小鼠卵子，这些由多能干细胞生成的卵子能产下健康的、具有生育能力的后代。这是小鼠的人造卵细胞首次无需植入母鼠体内进行培养，其成果被视为干细胞领域鲜有的成就。
Food and Fear:Modeling animal tradeoffs shaped by landscape complexity
Food Fear animal tradeoffs shaped landscape complexity
2016/11/4
The Lemhi Valley is a high desert sagebrush steppe environment in eastern Idaho, along the border with Montana. It's a critical habitat and a gorgeous piece of intact sagebrush landscape, according to...
新抗体有望带来艾滋病新疗法
抗逆转录病毒 SIV 艾滋病 疗法
2016/10/14
一个国际研究小组在2016年10月14日出版的《科学》杂志上发表论文称，注射“α4β7”抗体与服用抗逆转录病毒药物相结合，或成为治疗艾滋病病毒（HIV）感染的新手段。恒河猴实验显示，采用此手段，恒河猴在停用抗逆转录病毒药物后，其体内的猴免疫缺陷病毒（SIV）依然会保持低水平。
Genetic diversity crucial to Florida scrub-jay's survival
Genetic diversity Florida scrub-jay survival
2016/11/4
Legendary conservationist Aldo Leopold once advised: "To keep every cog and wheel is the first precaution of intelligent tinkering." For the Endangered Florida Scrub-Jay, new research shows that ...
A tiny virus that may sting like a black widow spider.That is one of the surprise discoveries made by a pair of Vanderbilt biologists when they sequenced the genome of a virus that attacks Wolbachia, ...
基因组测序揭示水熊虫极端环境适应性
基因组测序 水熊虫极端环境适应性
2016/9/21
水熊虫是一种小型水生动物，又称为缓步动物，2016年9月20日出版的《自然—通讯》发表了一篇有关其基因组测序的最新研究成果。该研究在缓步动物体内发现一种基因，其蛋白质能够抵抗人类培养细胞内的DNA损伤。这表明特异于缓步动物的蛋白质或有助于细胞抵抗DNA损伤来源。
研究发现夏威夷乌鸦善用工具
夏威夷 乌鸦 善用工具
2016/9/19
近日发表在《自然》的一项研究显示，夏威夷乌鸦会使用工具觅食，这种在鸟类中罕见的行为原本一直局限于鸦科的新喀鸦中。一种生活在南太平洋新喀里多尼亚岛上的乌鸦（新喀鸦）使用工具的行为，一直令科学家困惑不已。这种不同寻常的行为的演化起源一直神秘莫测，主要因为无法进行同属物种对比。
Seasonality of bird migration responds to environmental cues,scientists show
Seasonality bird migration environmental cues scientists
2016/9/12
The seasonality of bird migration is shifting in response to climate change. As a result, birds in the United States are arriving at their northern breeding grounds earlier in spring -- and may be dep...