万物简史 第478期:生命在前进(20)

Many of the Burgess specimens have now been assigned to living phyla just where Walcott put them in the first place. 许多布尔吉斯标本现在已经归到活着的动物的门里就是沃尔科特最初放置它们的地方。 Hallucigenia and s

SSS 2011-03-29

This is Scientific Americans 60-Second Science. Im Steve Mirsky. Got a minute? To keep your car purring, you have to change the oil. Such maintenance produces eight billion gallons of used motor oil annually. Some waste oil does get re-refined to pro

美国科学60秒 SSS 2012-10-16

Pet turtles can be unsanitary. But Chinese soft-shelled turtles really up the ante on distasteful behavior. They perform a variation on urinationthrough their mouths. Most land-based vertebrates produce urine to get rid of water-soluble toxic waste,

英文书摘精选 有趣的事实,短嘴鳄可以再长牙齿

Fun Fact: Alligators Can Regrow Teeth 有趣的事实：短嘴鳄可以再长牙齿 Fun fact about alligators: they can regrow any of their eighty teeth up to fifty times. Which is pretty impressive, especially compared to us relatively dentally chal

有声畅销书-秘密 2-23 The Powerful Processes in Actio

Sorry,there is not text temporarily, Please help tingroom to look for it! 如果您能找到好的听力原文，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！

英语听力文摘 English Digest 600、科学家如何预测火山喷发？

its time again for the A Moment of Science mailbag. A listener writes: Dear A Moment of Science, Ive always been fascinated by volcanoes. So I was wondering: How well can scientists predict when and where a volcano will erupt? Intersting question. Th

2006年VOA标准英语-US General Wants Faster Security Transitio

By Al Pessin Washington 03 January 2006 The commander of U.S. forces in the Middle East says he wants to accelerate the handover of security responsibility in Iraq to the country's new security forces

SSS 2008-04-17

This is Scientific American's 60-Second Science. I am Steve Mirsky.Got a minute? Talk about your vicious cycles. A new study finds that belly fat could be making you hungrier. Which would lead to more belly fat. The research was performed at the Univ

SSS 2009-11-13

Algae seem harmless enough. These precursors to plants thrive throughout the world's waters. But these single-celled plants have global consequences. We can thank them for oxygen in the atmosphere, oil in the lithosphere as well as dead zones in the

2007年VOA标准英语-Top US General Cites Corruption, Disorganizatio

By Robert Raffaele Washington, D.C. 13 June 2007 U.S. lawmakers got the chance to question the man who recently led the multi-national force in charge of training Iraq's new security and police forces. U.S. Army Lieutenant General Martin Dempsey told

2007年VOA标准英语-Civilians Flee Renewed Violence in Northern Sen

By Selah Hennessy Dakar 14 May 2007 Civilians from the northern Casamance region of Senegal are being displaced again, following renewed fighting between rebel groups. Hundreds of people are reported to have fled to the nearby Gambian border region t

经济学人321:爬行动物的排尿 可算是方便了

Science and technology 科学技术 Reptilian micturition 爬行动物的排尿 That's a relief 可算是方便了 Softshell turtles urinate through their mouths 鳖类通过其嘴部小便 WHY did the turtle stick its head in a bucket? 为什么乌龟

Researchers make sperm from stem cell in dish

WASHINGTON, Aug. 4 (Xinhua) -- Researchers have found a way to turn mouse embryonic stem cells into sperm and this finding opens up new avenues for infertility research and treatment, according to astudy published Thursday in the online edition of jo

China reviews anti-dumping measures on Japanese chloroprene rubber

BEIJING, Aug. 8 (Xinhua) -- China on Wednesday started to review anti-dumping measures it imposed on chloroprene rubber imported from a Japanese company, the Ministry of Commerce said. The move came after the ministry received complaints that Japan E

Ganso could be out until 2013, says physio

Ganso could be out until 2013, says physio RIO DE JANEIRO, Sept. 28 (Xinhua) -- Brazil midfielder Paulo Henrique Ganso could be forced to wait until next year to make his debut for new club Sao Paulo. Ganso, who joined the Brazilian top division outf

The Shepherd and the Bureaucrat

A bureaucrat was hiking when he came upon a shepherd tending a large flock. The bureaucrat took a fancy to the sheep and asked the shepherd, If I can guess how many there are, may I have one? The shepherd thought it unlikely the man would guess the e

2007年VOA标准英语-Renewed Violence in Chad, Sudan Force New Rebel

By Phuong Tran Dakar 10 April 2007 In Chad, dozens of people have been reported killed or wounded in fighting that began Monday between government forces and rebels in the eastern part of the country near the border with Sudan. Chad's government says

学个词Learn a Word 第983期 Bureaucracy

今天我们要学的词是bureaucracy。 Bureaucracy, 官僚。美国国防部长盖茨上周末公开对军方庞大的官僚体制提出批评。 Gates took aim at what he called a bloated bureaucracy, 他还保证要亲自过问，精简军方的官

大众拟用催化转化器修复受影响汽车

Volkswagen has devised a new catalytic converter that could fix the majority of the cars in the US affected by the diesel emissions scandal, as details emerge of its attempts to satisfy regulators. 大众汽车(Volkswagen)设计出一种新的催化转

VOA标准英语10月-Conflict Resolution Marked Career of Nobel Laurea

Conflict resolution marked the career of former Finnish president Martti Ahtisaari who has received this year's Nobel Peace Prize for his efforts to secure peace in various regions of the world. In this report from Washington, Senior Correspondent A