• 人类胚胎如何形成既定形状

    11-07-20 How is it that a disc-like cluster of cells transforms within the first month of pregnancy into an elongated(细长的) embryo? This mechanism is a mystery that man has tried to unravel(解决,阐明) for millennia. The first significant step towards...

  • 研究:翘鼻子最有魅力

    11-07-17 Wayne Rooney has one of the most attractive noses in the country, according to researchers. 研究人员称,鲁尼拥有全英国最有魅力的鼻子。 Wayne Rooney scores well with his attractive nose The Manchester United stars nose or rather its snub(短扁上翘的...

  • 科学家发现制作人类源性明胶新方法

    11-07-14 Scientists are reporting development of a new approach for producing large quantities of human- derived(导出的,衍生的) gelatin(明胶,动物胶) that could become a substitute for some of the 300,000 tons of animal-based gelatin produced annually f...

  • 三个月大的宝宝就能辨别人声

    11-07-09 It is precious 'me time' that many new mothers use to catch up on telephone calls and conversations. But the next time your baby has a nap, watch what you say. 许多新妈妈都很珍惜独处的时光,趁着宝宝休息时打打电话,聊聊天,但下一次在宝宝打盹时,请注...

  • 荧光灯中的汞蒸气超过人体安全标准

    11-07-07 Once broken, a compact fluorescent light(荧光灯) bulb continuously releases mercury vapor(汞蒸气) into the air for weeks to months, and the total amount can exceed safe human exposure levels in a poorly ventilated(通风的) room, according to st...

  • 划蝽 地球上声音最大的动物

    11-07-04 Scientists have shown for the first time that the loudest animal on earth, relative to its body size, is the tiny water boatman(划蝽) , Micronecta scholtzi. At 99.2 decibels, this represents the equivalent of listening to an orchestra(乐队) play...

  • 红酒可缓解太空飞行的副作用

    11-07-01 As strange as it sounds, a new research study published in the FASEB Journal (http://www.fasebj.org), suggests that the healthy ingredient(原料,要素) in red wine, resveratrol(白藜芦醇) , may prevent the negative effects that spaceflight and sed...

  • Letter of Recommendation 推荐信

    11-06-28 When Peters learned that he was being fired, he went to see the head of human resources. Since I've been with the firm for so long, he said, I think I deserve at least a letter of recommendation. The human resources director agreed and said he'd hav...

  • 削尖工艺使古人类大脑得以锻炼

    11-06-22 Advanced crafting(手工艺) of stone spearheads(矛头,先锋) contributed to the development of new ways of human thinking and behaving. This is what new findings by archaeologists at Lund University have shown. The technology took a long time to ac...

  • 人类能感知地球磁场吗?

    11-06-22 For migratory birds and sea turtles, the ability to sense the Earth's magnetic field is crucial to navigating the long-distance voyages these animals undertake during migration. Humans, however, are widely assumed not to have an innate(先天的) mag...