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:吸引力的科学(2)

Such a testosterone boost may give a man the nudge to pursue a woman he might not have otherwise noticed. 睾丸素分泌的增加可能会促使这个男人去追求这个平时他可能就会忽略的女性。 A woman's nose is particularly attuned

AP 2011-03-26

1. In Libya, air strikes from the United States and its allies go on with reports that Moammar Gadhafi's tanks are rolling back from one city where they have been attacking that city in rebel control. 2. At least one person is dead in a bombing in Je

TED演讲:摩尔有多大(1)

OK, today we're going to talk about the mole. 今天我们来谈一下摩尔。 Now, I know what you're thinking: I know what a mole is, 我知道你现在在想：我知道摩尔是什么， it's a small furry creature that digs holes in the ground

TED演讲：气味背后的科学(7)

However, I managed to get a hold of a Borane eventually, and here is the beast. 无论如何，我最终得到了一些硼烷，这就是那个怪物。 And it really does have the same -- if you calculate, if you measure the vibrational frequencies,

SSS 2010-11-22

This is Scientific American's 60-Second Science. I'm Cynthia Graber. This will just take a minute. You've seen it on TV. Crime scene investigators show up at what might be a murder scene. There are blood spattersbut no body. Who's the victim? Now, a

大学英语四级词汇 049

moderate a.中等的；温和的 vt.使缓和 vi.变缓和 modern a.现代的，现代化的 modest a.谦虚的，客气的；适度的 modify vt.修改，变更；缓和，减轻 moist a.潮湿的，微湿的 moisture n.湿气，潮湿 mold n.模子，

Designer Antibiotics

85 新功效的抗生素在加州诞生 DATE=8-15-01 TITLE=SCIENCE REPORT - Designer Antibiotics BYLINE=Jerilyn Watson （Start at 1'04

卢卡都灵:气味背后的科学

令人神魂颠倒的香水蕴含着什么样的科学？生物物理学家卢卡都灵用精准和充满魅力的语言，为大家解释气味的分子组成及其背后的艺术。

SSS 2010-06-10

This is Scientific American's 60-Second Science, I am Karen Hopkin. This will just take a minute. I once took part in a vodka tasting contest, in which participants tried to tell an expensive brand from a cheap one. I dont recall the exact outcome, f

SSS 2011-07-18

This is Scientific American's 60-Second Science. I'm Steve Mirsky. Got a minute? At the recent Lindau Nobel Laureate Meeting, 2009 chemistry laureate Thomas Steitz recalled that at one institution in the 60s, he saw how informal scientific collaborat

万物简史 第141期:基本物质(13)

Fortunately more sober types were at work elsewhere. In 1808, a dour Quaker named John Dalton became the first person to intimate the nature of an atom (progress that will be discussed more completely a little further on), and in 1811 an Italian with

GRE阅读有哪些易混淆词汇构成的长难句 　

尽管新GRE单词量减少，取消了类反但是难度并没有减少，这更要求考生在新GRE阅读考试中增强逻辑推理能力。虽然逻辑推理能力的考察对我们国内考生来说有点难度，只要保持好心态就能更好

经济学人292:天体化学 空中的大试管

Science and technology 科学技术 Astrochemistry 天体化学 The great test tube in the sky 空中的大试管 Space is one big chemistry set 宇宙是一个很大的化学装置 MOST people think of the empty space between the stars as being, wel

德鲁·贝利:不可视生物学的动画

我们无法直接观察分子及它们做什么 德鲁贝利想改变这点。在TED悉尼他科学地展示了精确（又有趣）的动画，来帮助研究人员看到我们自己细胞里所看不到的工序

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

介词如何才能翻译得更好？

1. 转译： 英语中常用介词来表达动作意义。汉译时，可将介词转译成动词。 （1）在作表语的介词短语中，介词常转译为动词，而连系动词则省略不译。如： This machine is out of repair. 这台机器失

AP 2010-03-11

[1] Iraqis are looking forward to Sunday's elections, but some fear possible chaos. The vote is Iraq's second nationwide election and comes at a vastly different time than the first in 2005. US troops have all but vanished from streets, but attacks c

经济学人168:抵抗毒瘾

Science and technology 科学技术 Combating addiction 抵抗毒瘾 Can a vaccine stop drug abuse? 有抗毒品的疫苗么？ It may be possible to vaccinate people against addictive drugs 也许通过接种疫苗帮助人们摆脱毒瘾将成为可能

TED演讲 4D打印机的诞生(3)

In three dimensions, we did a project last year at TED Global with Autodesk and Arthur Olson where we looked at autonomous parts -- so individual parts not pre-connected that can come together on their own. 对于三维系统，我们去年在TEDGlob