当心您的爱车成为细菌的温床

Do you know so many of you will climb into your cars today perhaps to shuffle your children to soccer, to football, make their (refer to the cars) run to the grocery store. But do you also know what's

2009-02-07&2009-02-09 脉搏快有问题？

So how is it, doc? It goes alright? Good. OK. I have my pulse checked coz Jim from Texas says his pulse is fast, really fast and he'd like to know if he should worry about it. Is a fast pulse an indication of anything specific? Well, you'd know the n

洪恩环境英语第九册复习 lesson three

REVIEW THREE For this lesson,you'll need a pencil and a piece of paper. Listen to this lecture about the history of the computer. Don't write anything yet.Just listen The inventor of the modern computer was an English mathematician,Charles Babbage. H

听歌学英语：TV In The Morning-DNCE

And all of the heavy hearts 所有沉重的心 Are broke in their backs 都悄悄地不为人知地伤痕累累 And all of the die-hard valentines 所有顽固的情人 Are calling me back 都在挽回我 You can find me in the restaurant 你会发现我

SSS 2008-03-11

This is Scientific Americans 60-Second Science. Im Karen Hopkin, this will just take a minute. Anyone whos ever cut up an onion knows that some smells can actually be painful. Now, researchers from Baltimore and Denver are closer to understanding why

SSS 2010-01-11

When people suffer from a migraine, they often retire to a cave-like dark room. But exactly why does bright light hurt the migraine sufferer? A possible answer was published this week in the online issue of journal Nature Neuroscience. A big clue was

NPR 2010-07-13

BP is close to putting a new cap on the damaged well that's been spewing millions of gallons of oil into the Gulf since April's rig explosion. NPR's Richard Harris tells us the new cap has valves that might be able to stop the flow. The new cap could

VOA标准英语2009年-Russia, Ukraine Open Gas Valves

Russia and Ukraine have resumed the flow of natural gas to Europe, ending a mid-winter standoff that left millions of consumers on the continent without heat or power during 13 days of bitter cold. An official at a metering station owned by Russia's

TED演讲:食物是如何影响大脑的(1)

If you sucked all of the moisture out of your brain and broke it down to its constituent nutritional content, what would it look like? 如果将你大脑里所有的水分都吸干，然后按不同的营养成分进行分类，会是怎样呢？ Mos

经济学人49:清洁水源 生命的银丝带

Science and Technology 科技 Clean water 清洁水源 Silver threads of life 生命的银丝带 A water filter that kills bacteria, rather than just removing them 新滤水器能够消灭细菌，而不单单是排除细菌 MORE than a billion peopl

吹小号的天鹅 第58期:夏天的尾声

Chapter 13 End of Summer 第十三章 夏天的尾声 A trumpet has three little valves. They are for the fingers of the player. 一把小号有三个小活瓣。它们是让吹奏者用手指来按的。它们看起来就像这样： By pushing them

工程师助手小词典

1、阀门种类术语 Air valves 空气阀门 Angle Stop valves 角式截止阀 Angle Throttle Valves 角式节流阀 Angle Type Globe Valves 门角式截止阀 Ash valves 排灰阀 Aspirating valves 吸（抽）气阀 Auxiliary valves 辅助（副）阀 Balance valves 平衡阀 Bellows valves

防止打鼾的方法

Short-Term Solutions 短期的 Want to decrease your chances of snoring tonight ? Then implement some or all of these strategies every night. 想要降低今晚打呼的几率？然后每天晚上完成这些策略的部分或全部。 1. Use a humid

Australian Researchers Aim for Greener Desalination

Researchers in Sydney are leading a new international effort to make desalination more environmentally friendly. Current techniques tend to use excessive amounts of energy or are heavily reliant on chemicals. The University of Technology in Sydney is

TED演讲:城市与企业中的奇妙数学(3)

Before I talk about that, 谈到这之前 I've written down at the bottom there 我在底下标出了 the slope of this curve, this straight line. 这条曲线的斜率，即这条直线 It's three-quarters, roughly, 大约为3比4 which is less than

TED演讲:如何重新设计公寓建筑(1)

When, in 1960, still a student, 1960年我还是学生时， I got a traveling fellowship 拿到出国留学的奖学金， to study housing in North America. 研究北美的住宅建筑。 We traveled the country. 我们游遍美国， We saw public

助力减肥：3种不可不知的减肥食物

When you're out to eat, ordering a vegetable soup is a way healthier move than reaching into the bread basket. But it's not just about the calories you'll save. Hot liquids can also help you feel more full, so you'll actually eat less by the time you

经济学人338:"宝瓶"时代

Deep-sea exploration 深海探索 The age of Aquarius 1 宝瓶时代1 Inner space is almost as hard to explore as outer space 探太空难，察深海亦不易 Have you seen Camerons latest? 卡梅隆的新作你看了吗？ JAMES CAMERON knows how t

经济学人278:微生物组学 病毒防护

Science and technology 科学技术 Microbiomics 微生物组学 A virus shield 病毒防护 Viruses help keep people disease-free 病毒能够帮助人类免遭疾病 THE story of the microbiomethe community of tiny organisms that coexist symbiotica

经济学人340:加州的海水淡化

IF CALIFORNIA were not already so famous for Silicon Valley and Hollywood, it might be renowned for the cluster of water-technology firms in its San Diego County. The reverse-osmosis (RO) spiral module, the trick that underpins turning sea- and waste