[网络] 系统中大量繁殖

SSS 2010-05-18

This is Scientific American's 60-Second Science. I'm Steve Mirsky. Got a minute? Could the eradication of smallpox have been a factor in the spread of HIV? Thats the question posed by researchers in the journal BMC Immunology, who think that the vacc

发表于:2018-12-24 / 阅读(70) / 评论(0)

Scientific American(五)月

《名人传记》之我是李小龙9:永远坚持自己

For him to be steeped into that rhythm reinforced why black people have always identified with Bruce and his fighting style.So what I got from Bruce as a performer is...You know, most performers perform like this, right?Straight up. 他沉浸在自己创

发表于:2018-12-27 / 阅读(115) / 评论(0)

名人传记

GRE填空题正确率如何提高

为实现自己的留学之梦，无数学生默默地在GRE考试中付出自己辛勤的汗水。所有GRE高分故事背后都有值得我们学习的GRE备考经验。相信这样的一个个GRE高分故事能够在你备考GRE考试的过程中送

发表于:2019-01-03 / 阅读(113) / 评论(0)

GRE英语

GRE填空在考察你的什么能力

小编在此与大家分享GRE句子填空的相关内容，希望对各位备考2015年的新GRE填空有所帮助。例1：To believe that a cultures achievement can be measured by the --- ---- of its written material requires one to accept that a

发表于:2019-01-03 / 阅读(82) / 评论(0)

GRE英语

小米公司大力拓展线下销售高端小米6

Chinese smartphone vendor Xiaomi Corp, best-known for its online sales strategy, said on Wednesday that it aims to generate 70 billion yuan (10.2 billion dollars) in revenue from its stores in the next five years. 中国智能手机供应商小米公司

发表于:2019-01-03 / 阅读(116) / 评论(0)

阅读空间

伴随小米6上市雷军表态大力拓展线下销售

Chinese smartphone vendor Xiaomi Corp, best-known for its online sales strategy, said last Wednesday that it aims to generate 70 billion yuan (10.2 billion dollars) in revenue from its stores in the next five years. 因线上销售策略而闻名的中

发表于:2019-01-07 / 阅读(82) / 评论(0)

英语新闻

SSS 2009-03-17

This is Scientific American's 60-Second Science. I'm Cynthia Graber. This will just take a minute. People get malaria from Anopheles mosquitoes that themselves are infected with a protozoan parasite called Plasmodium. The mosquitoes do have immune sy

发表于:2019-01-08 / 阅读(127) / 评论(0)

Scientific American(三)月

SSS 2009-01-02

This is Scientific American's 60-Second Science. I'm Cynthia Graber. This will just take a minute. Mosquitoes carry nasty diseasesdengue fever, west nile, malaria. But the microbes that cause those diseases dont attach themselves to the mosquitoes an

发表于:2019-01-08 / 阅读(143) / 评论(0)

Scientific American(一)月

SSS 2011-11-15

This is Scientific American's 60-Second Science. I'm Christopher Intagliata. Got a minute? I've always thought that when I get a fever, it's my body trying to make things uncomfortable for the invading pathogen. And that's often truehigher temperatur

发表于:2019-01-08 / 阅读(129) / 评论(0)

Scientific American(十一)月

艾滋病疫苗研究

HIV Vaccine Research 艾滋病疫苗研究 Two years ago, Jason Brenchley took part in an HIV vaccine trial sponsored by the U.S. National Institutes of Health. An NIH researcher himself, Mr. Brenchle

发表于:2019-01-08 / 阅读(117) / 评论(0)

VOA2005（上）--环境科学探索

TED演讲:树木之间如何交流(4)

The first day of the experiment, we got out to our plot 实验的第一天，我们来到了实验地点， and a grizzly bear and her cub chased us off. 突然一头灰熊和她的熊宝宝出现，把我们赶跑了。 And I had no bear spray. But

发表于:2019-01-18 / 阅读(92) / 评论(0)

TED演讲科学篇

你是否也患上了点赞依赖症

How many times do you check your Moments or Facebook page in a day to see whether your latest post has got another like or thumbs up? 你一天会检查多少次你的朋友圈或脸书，查看你最新发布的状态是否得到了他人的喜欢或点

发表于:2019-02-02 / 阅读(70) / 评论(0)

实用英语

Bad Habits Aren’t All Bad

Bad Habits Arent All Bad You drink to much coffee and you know it. You have to cut back but you have tried and it is just too hard. You succeed for a day or two, but something always happens and you are back to where you started. The problem may be t

发表于:2019-02-06 / 阅读(112) / 评论(0)

阅读空间

Spain needs three World Cups, then we can talk: Dunga

RIO DE JANEIRO, Dec. 9 (Xinhua) -- Former Brazil coach and World Cup-winning midfielder Dunga says Spain needs to win another two World Cups before being considered in the same company as the South American football giants. Dunga captained Brazil to

发表于:2019-02-13 / 阅读(90) / 评论(0)

英语新闻

U.S. confident al-Qaeda no. 2 dead

上海世博英语口语100句 1． What is the full name of Expo 2010? World Exposition 2010 Shanghai China. 2010年世博会的全称是什么？中国2010年上海世博会。 2． Is that the Expo emblem? The Expo emblem looks like three people h

发表于:2019-02-14 / 阅读(85) / 评论(0)

英语新闻

Forza Motorsport 4

More than 20 of the World's hottest supercars have braved rush hour traffic for a spin around central London. The million pound automobiles - including a Ferrari Enzo, Pagani Zonda, Bugatti Veyron and McLaren F1 - are in town for the launch of the Xb

发表于:2019-02-14 / 阅读(81) / 评论(0)

世界各地新闻集锦

经济学人356:日本科学界压力测试

Science in Japan 日本科学界 Stress test 压力测试 After a scandal, a renowned stem-cell scientist commits suicide 爆出丑闻后，一位大名鼎鼎的干细胞科学家自杀 Dr Sasai faces the music 聚光镜前的笹井博士 WHAT happen

发表于:2019-02-16 / 阅读(89) / 评论(0)

经济学人科技系列

9D电视将引领未来

Films and TV shows are already effective at tugging our heartstrings or putting us on the edge of our seats. 电影和电视节目已经很大程度上的扣动着我们的心弦，让我们在座位上看得如痴如醉。 But new technology could b

发表于:2019-02-19 / 阅读(121) / 评论(0)

阅读空间

乔布斯传第348期:苹果坠落(1)

Apple Falling 苹果坠落 For a few years after Jobs was ousted, 在乔布斯出局后的几年， Apple was able to coast comfortably with a high profit margin based on its temporary dominance in desktop publishing. 苹果公司由于暂时统领桌面

发表于:2019-02-22 / 阅读(92) / 评论(0)

乔布斯传

乔布斯传第326期:孩子们(1)

Children 孩子们 When Powell gave birth in 1991, a few months after her wedding to Jobs, 1991年，在跟乔布斯的婚礼几个月后，鲍威尔生下了一个孩子。 their child was known for two weeks as baby boy Jobs, 头两个星期，这个

发表于:2019-02-22 / 阅读(145) / 评论(0)

乔布斯传

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bordered symmetric matrix