VOA慢速英语2010-Health Report - South Africa's Huge HIV T

This is the VOA Special English Health Report. South Africa plans to test fifteen million people for H.I.V. by June of next year. That is almost one-third of its population. South Africa has the most people living with H.I.V. of any nation. The numbe

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

经济学人15:探太空难,察深海亦不易

Science and Technolgy. 科技。 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。 JAMES CAMERON knows how to make a splash. Lit

Researchers Identify Drug That Might Block Sexual Transmissi

By David McAlary Researchers have shown that it may be possible to prevent sexual transmission of the AIDS virus HIV with a compound now in the experimental stage. Female monkeys who received it vagin

专业术语—口腔生理学术语R1(英文详解)

Rest Position - a position the jaw adopts when at rest with the lips lightly together. Reticular fibres - are fine type III collagen fibres forming a net-like supporting framework or reticulum. They a

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

2005年NPR美国国家公共电台三月-Slate's Big Idea: Who Should be Considere

This is Day to Day, I am Madeline Brand. There is an old thought from jounalist AJ. Liebling that freedom of the press belongs to the man who owns one, well if that's true, then tens of millions of men and women in this country now own the modern equ

VOA标准英语2008年-S. Africa's Zuma Fails to Confirm Party Candida

Despite promising to do so, African National Congress president Jacob Zuma has failed to name the party candidate to replace President Thabo Mbeki. But as VOA's Delia Robertson reports from our Johannesburg bureau, Zuma appeared to anoint his deputy

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

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

英语听书《白鲸记》第810期

Plum-pudding is the term bestowed upon certain fragmentary parts of the whale's flesh, here and there adhering to the blanket of blubber, and often participating to a considerable degree in its unctuousness. It is a most refreshing, convivial, beauti

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