2018年10月17日 08:35:37|来源:国际在线|编辑:当当乐园
;I don#39;t mind if you nap at your desk.Your snoring keeps everyone else awake.;我不介意你在桌子上打盹,你的呼噜声能让别人保持清醒! /201508/395513

Scientists say they have discovered the world's smallest known fish in threatened(1) swampland(2) in Indonesia.The fish, a member of the carp(3) family, has a translucent(4) body and a head unprotected by a skeleton(5).Mature females grow to less than a third of an inch long. The males have enlarged pelvic fins(6) and muscles that may be used in reproduction, researchers wrote in a report published Wednesday by the Royal Society in London."This is one of the strangest fish that I've seen in my whole career,' said Ralf Britz, a zoologist(7) at the Natural History Museum in London. "It's tiny, it lives in acid(8) and it has these bizarre(9) fins. I hope we'll have time to find out more about them before their habitat(10) disappears completely."The fish are found in an acidic(11) peat(12) swamp on the Indonesian island of Sumatra. Indonesian peat swamps are under threat from fires lit by plantation owners and farmers as well as unchecked(13) development and farming. Researchers say several populations(14) of the tiny fish have aly been lost.The previous record for world's smallest fish, according to the Natural History Museum, was held by a species of Indo-Pacific goby(15) one-tenth of a millimeter(16) longer.According to researchers, the little fish live in dark, tea-colored water at least 100 times more acidic than rainwater. Such acidic swamps was once thought to harbor few animals, but recent research has revealed that they are highly diverse and home to many unique species. 科学家称他们在印度尼西亚濒临消失的沼泽中发现了世界上最小的鱼。这种鱼属于鲤科,通体透明,头部几乎没有头骨保护。周三,伦敦皇家协会发表报告说,成年雌鱼体长不足三分之一英寸,雄性的腹鳍和腹肌比较大,可能用于求偶繁殖。伦敦自然历史物馆的动物学家拉夫·布利兹说:“这是我从事动物学研究以来见过的最奇特的鱼之一。它们很小,生活在酸性水域中,还有这样奇特的鳍。我希望在它们赖以生存的环境还没有完全消失之前,可以对它们了解得更多。”科学家们在印尼苏门答腊岛的一个煤炭沼泽中发现了这种鱼。印尼煤炭沼泽在农场主和农民大肆焚烧和无限制开发、农田开垦的威胁下,面临消失的危险。研究人员说这种小鱼的部分种群已经灭亡了。自然历史物馆说之前世界上最小的鱼是印度太平洋虾虎鱼的一种,体长十分之一毫米。研究人员说这种小鱼生活在黑暗、茶色的水中,水的酸性比雨水强至少100倍。 此种酸性沼泽曾经被认为是极少数生物的栖息地,但是最近的研究表明它们育着各种独一无二的珍奇物种。 /200804/37119

Most of us have known this for a while – especially those who have a liking for this wonderful concoction. Yet do you really know why chocolate is good for you? Since it is Easter tomorrow and you will probably eat more chocolate than you normally do, I thought it would be nice to post something about these delightful treats today.So, how is chocolate good for the health? The most common fact that people know about is that it contains antioxidants. Of course, antioxidants keep us healthy by keeping the bad effects of aging away. They also help keep cancer at bay. Yet there is more to chocolate than antioxidants!Kathleen Blanchard over at Her Active Life shares some other health benefits of chocolate. For example, eating dark chocolate squares can bring about benefits with regard to blood pressure (hypertension) over the long term. More than this, another study supports the idea that chocolate can actually reduce LDL cholesterol. This is the type of cholesterol that we do not want!More than these physical health benefits, I believe in the soothing power of chocolate. Think about the last time that you felt horrible and you had a bit of chocolate to help you feel better. Wasn’t it wonderful comfort food?There is no need to convince myself that chocolate can be good for your health. The thing is, we perhaps might need to moderate our indulgence. Everything taken in excess will end up being bad for us. So tomorrow, try not to over do it with Easter chocolate! 大多数人都知道这点--尤其是那些喜欢美味的巧克力的朋友们。但是你是否真的知道为什么巧克力对你是有好处的?明天就是复活节了,你很有可能比平时吃更多巧克力,我想今天应该在这里告诉大家关于这个美味的甜食的一些事。那么,为什么巧克力对健康是有好处的呢?大家普遍知道的一个事实是巧克力含有抗氧化剂。当然,抗氧化剂抵抗衰老,帮助我们保持健康,同时也能预防癌症。不过巧克力还有一些比抗氧化剂更有益的地方呢。凯瑟琳布兰切特的活力生活中分享了巧克力其他有益健康的因素。比如,长期吃黑巧克力块有助于改善血压(高血压)。此外,另一个研究报告则认为,巧克力其实可以降低低密度脂蛋白胆固醇的含量,这可是我们不需要的一种胆固醇!除去以上这些健康上的好处,我相信巧克力还有舒缓心情的功效。想想上次你感到郁闷的时候,你是不是吃了点巧克力来缓解呢,它不是一种很棒的舒缓的食品呢?相信再说自己说巧克力对健康有好处已经没什么必要了吧,关键是我们要适当注意节制,不能过度摄入。任何食物吸收过度了都只能对身体有害了。所以,明天可不能吃太多的复活节巧克力哦! /200804/34941

The B iPlayer enables viewers to watch their favourite shows on their computersOne of the founding fathers of the internet has predicted the end of traditional television.Vint Cerf, who helped to build the internet while working as a researcher in America, said that television was approaching its "iPod moment"In the same way that people now download their favourite music onto their iPod, he said that viewers would soon be downloading most of favourite programmes onto their computers."85 per cent of all we watch is pre-recorded, so you can set your system to download it all the time," said Mr Cerf, who is now the vice-president of the Google, the world's largest search engine."You're still going to need live television for certain things - like news, sporting events and emergencies - but increasingly it is going to be almost like the iPod, where you download content to look at later."Although television on demand has not yet become a mainstream activity in the UK, the B, ITV and Channel 4 have all invested vast sums of money in technology which enables viewers to watch their favourite shows on their computers.But some critics, including some internet service providers, have warned that the internet will collapse under the strain of millions of people downloading programmes at the same time.Over the next four years, it is thought that the number of s watched over the internet will quadruple, with people moving from short clips to hour-long programmes.Broadband companies claim that the service will cause "traffic jams", which will cost millions of pounds to sort out .But Mr Cerf dismissed the warnings as "scare tactics", saying that critics had predicted 20 years ago that the net would collapse when people all around the world started to use it en masse."In the intervening 30 years it's increased a million times... We're far from exhausting the capacity," he said. "It's an understandable worry when they see huge amounts of information being moved around online."Setting out his vision for the future of the internet, he said he wanted it to reach as many people as possible."I want more internet," he said. "I want every one of the six billion people on the planet to be able to connect to the internet." 一位“互联网之父”日前预言:传统的电视时代将结束。温特#8226;瑟夫曾是美国一名研究人员,曾参与过互联网的创建。他说,电视正走向iPod时代。他说,与现在人们将喜欢的音乐下载到iPod里一样,电视观众们很快就能将他们喜欢的大多数电视节目下载到电脑中去了。现任全球最大的搜索引擎公司Google副总裁的瑟夫先生说:“我们观看的85%的视频都是预先录制的,所以可以随时下载。”“尽管人们仍需要新闻、体育比赛和紧急事件等的现场直播,但‘iPod模式’将日益兴起,人们可以把节目下载到里面供以后观看。”尽管电视在线点播在英国仍未成为一种主流模式,但B、ITV和Channel 4已投入大量资金研发能让观众在电脑上看他们喜爱的电视节目的技术。但包括一些互联网务提供商在内的一些批评人士警告说,如果几百万人在同一时间下载节目,互联网会因无法承受压力而崩溃。据预测,在未来四年中,互联网上的视频数量将翻两番,人们所能观看的视频也将从现在的短片“升级”为长达一小时的节目。宽带公司称,这一务会导致“网络交通堵塞”,而“疏通”成本则会达到几百万英镑。瑟夫对这一“恐吓战术”的说法进行了反驳,他说,批评人士20年前预测,如果全世界的人同时上网,互联网会崩溃。他说:“在过去三十年中,互联网的容量增加了一百万倍,我们远没用尽这些容量。看到大量的信息游荡于互联网而产生这样的担忧是可以理解的。”瑟夫先生对互联网的未来进行了展望,他说他希望更多的人能用上互联网。他说:“我希望互联网越来越发达。希望地球上60亿人都能用上互联网。” /200808/45865

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