经济学人:分子生物学 蛋白质的奥秘(3)

One common protein-contact prediction is that, if the side chain of one member of a pair of amino acids brought close together by folding is long, 一种比较普通的蛋白质接触预测就是，如果一对氨基酸的一个侧链折叠后很长，

TED演讲:如何把熟蛋变生(2)

Here's the key part. 接下来是关键的部分。 The solution nearest the wall spins faster than the solution closer to the middle. 离试管壁最近的溶液，要比中间的溶液旋转得更快。 That difference in velocity creates sheer str

SSS 2011-01-27

This is Scientific Americans 60-Second Science. Im Steve Mirsky. Got a minute? Generations of American children have been told, Eat your broccoli! And for decades, researchers have known that broccoli and related vegetables like cauliflower and water

SSS 2008-09-04

This is Scientific American's 60-Second Science. I'm Cynthia Graber. This will just take a minute. Conditions such as mad cow disease are caused by abnormally shaped proteins, called prions. Prions spread by causing other, normal proteins to misfold

[单词解析速记].JV490.(Germane.and.Hybrid)

Sorry,there is not text temporarily, Please help tingroom to look for it! 如果您能找到更好的听力原文，请发贴到 听力原文收集区 ，您将会获得10到30积分的奖励! Thank you！

学英语 44 In a Cyber Café

I access the internet in the cyber cafe. 我到网咖上网. Since my PC broke, I had to go to the cyber cafe. 由于我的电脑坏掉了, 我必须到网咖. There are lots of people enjoying playing online games in the cyber cafe. 网咖里很多人

SSS 2008-10-08

This is Scientific American's 60-Second Science. I'm Steve Mirsky . Got a minute ? The Nobel Prize in chemistry goes to three men who revolutionized molecular life science, Japans Osamu Shimomura and Americans Martin Chalfie and Roger Tsien. They dev

SSS 2008-05-05

This is Scientific American's 60-Second Science, Im Steve Mirsky. Got a minute? Biologists often attempt to construct a genealogy that shows the relationships of all life on earth. One well-accepted effort compares the nucleic acid sequences that cod

SSS 2009-10-07

The 2009 Nobel Prize in Chemistry goes to Venkatraman Ramakrishnan of the MRC Laboratory of Molecular Biology in England, Yale Universitys Thomas Steitz, and Ada Yonath of the Weizmann Institute of Science in Israel for their studies of the ribosome.

Grenade midfielder Mollo joins Nancy on loan

PARIS, Jan. 2 (Xinhua) -- Spain-based midfielder Yohan Mollo joined French top league club AS Nancy Lorraine on loan from Grenade, the club said on Monday. Mollo, 22, will play with AS Nancy Lorraine for six month with possibility to be recruited by

VOA标准英语2009年-Hybrids Hit Hard as Auto Sales Slide

Automobile sales have slumped around the world, with the latest data from December offering a grim outlook for some of the world's top car companies. Already, auto giant Toyota has announced plans to close its Japanese factories for 11 days in Febru

Cyber attacks against China remain severe: report

BEIJING, March 19 (Xinhua) -- A computer security official said China has become the world's biggest victim of cyber attacks, with a report from a national computer monitoring center revealing that many domestic computers were controlled via overseas

学个词Learn a Word 第865期 Cyber Monday

今天我们要学的词是cyber Monday。 Cyber Monday, 网络星期一。感恩节过后有Black Friday, 黑色星期五，是购物高潮，随着网上购物的便利，感恩节过后的星期一也逐渐发展成Cyber Monday. Cyber Monday is no

学个词Learn a Word 第764期 Cyber attack

今天我们要学的词是cyber attack。 Cyber attack 网络攻击。Web sites of a number of South Korean government agencies were paralyzed by a suspected cyber attack on Wednesday, 韩国很多政府网站星期三陷入瘫痪状态，怀疑是由

Mad Cow Disease

74 疯牛病及其最新的检验方法 DATE=7-24-01 TITLE=SCIENCE IN THE NEWS #2134 - Mad Cow Disease BYLINE=Nancy Steinbach, George Grow VOICE ONE: This is Sarah Long. VOICE TWO: And this is Steve E

2006年VOA标准英语-US Senate Ratifies Cybercrime Treaty; Assesses

By Deborah Tate Capitol Hill 04 August 2006 Among the last issues to come before the U.S. Senate before lawmakers began their August recess were cybercrime and cybersecurity. Senators ratified an international treaty aimed at cracking down on crimes

Using bacteria to generate energy hopeful

BEIJING, May 24 (Xinhuanet) -- Scientists revealed for the first time the molecular structure of proteins, which enables bacteria to transfer electrical charges, according to a new study. The revelation was published in Proceedings of the National Ac

Human fertilization process discovered

BEIJING, Aug. 22 (Xinhuanet) -- Researchers have discovered how a human egg captures an incoming sperm for fertilization, paving the way to help couples suffering from infertility, according to media reports on Monday. An international team of resear

健康生活 从食物搭配开始

There has been a lot of research done on the significance of food combining when we eat. Many believe that our stomach is designed to only digest food correctly one food type at a time or eating foods together that are compatible with each other. Thi

经济学人:熊猫遗传学:熊猫的第二拇指(2)

He and his colleagues noted parallel changes in the genes for three digestive enzymes whose job is to liberate two particular amino acids, lysine and arginine, from proteins. 他的团队发现三种消化酶基因相似的改变，这些消化酶的作