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Students, we come from? To hear this question, I am sure you will say that parents are taken to put us up in the world. Yes ah, one day more than a decade ago, our parents happy with tears and smiles to greet the arrival of the U.S.. But when we came

SSS 2011-04-20

This is Scientific American's 60-Second Science. I'm Karen Hopkin. This will just take a minute. Are your car bumpers riddled with scars from encounters with tight parking spaces? Did the furniture movers scratch your floor? Wouldn't it be great if t

SSS 2010-03-26

This is Scientific American's 60-Second Science. Im Cynthia Graber. This will just take a minute. Buildings consume about a third of the energy and two-thirds of the electricity in the U.S. Roofs are a good place to try to cut those figures. Because

SSS 2010-01-19

Most of us blink without thinking. But people whove sustained strokes or combat injuries can lose their ability to blink. Which is important for lubricating and cleaning the eye. Surgery is an optiona small piece of muscle transplanted from the leg c

60秒科学:冬暖夏凉的屋顶

Lowering the Ceiling on Roof Energy Losses Buildings consume about a third of the energy and two-thirds of the electricity in the U.S. Roofs are a good place to try to cut those figures. Because traditional black asphalt roofs heat up in summer and s

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Jen: Hello and welcome to 6 Minute English from BBC Learning English. I'm Jen and with me today is Neil. Neil: Hello there. Jen: Todays story is all about allergies. If you have an allergy to something, your body reacts to it in a negative way. Do yo

SSS 2008-09-01

This is Scientific American's 60-Second Science. I'm Steve Mirsky. Got a minute?. [Spray sound.] Killing bugs? No. [Spray sound.] Deodorizing the bathroom? No. [Spray sound.] Checking for explosives, yes. Because chemists at the University of Califor

SSS 2011-02-07

Patients undergoing coronary bypass surgery need implants of new, healthy blood vessels. So do those who receive repeated hemodialysis due to kidney failure. The best option is to use the patient's own veins or arteries, but thousands of patients don

SSS 2011-04-06

This is Scientific American's 60-Second Science. I'm Cynthia Graber. This will just take a minute. Solar cells convert sunlight to electricity. But they don't take advantage of all that solar heat, thereby missing out on the majority of the solar ene

清华学生的“PX百度词条保卫战”

In defense of science, truth Bi Xiaotian acquired a new habit recently. Every time he opens his web browser, he checks the entry of paraxylene (PX) on Baidu Baike. As one of the participants in correcting the Baidu entry in early April, the 22-year-o

France,Germany consider Lisbon Treaty modification

DEAUVILLE, France, Oct. 18 (Xinhua) -- France and Germany pondered over（深思,考虑 ） necessary amendments on Monday about the Lisbon Treaty by 2013 in the hope of better responding to(响应) crises. France and Germany consider it necessary to

集装箱改装成新住宅

AS IT IS 2015-09-14 Living in a Shipping Container 集装箱改装成新住宅 Many people do not earn enough money to buy a house in the San Francisco Bay area. Housing prices in northern California can be very high. So, some young people have begun

VOA慢速英语--研究人员研发完全可降解轮胎

Research Breakthrough for Biodegradable Tires? 研究人员研发完全可降解轮胎 Researchers say they have created a new synthetic rubber that could be used to make biodegradable tires. A team at Texas AM Universitys campus in the Gulf nation o

VOA标准英语2016--“智能”绷带有助更快治愈伤口

'Smart' Bandages Could Heal Wounds More Quickly 智能绷带有助更快治愈伤口 Simple bandages are usually seen as the first line of attack in healing small to moderate wounds and burns. But scientists say new synthetic materials with embedded

外国学生促进美国的创新

外国学生促进美国的创新 Foreign students earning their doctoral degrees in the United States can help revitalize innovation and economic growth. A new study says the U.S. should make it easier for such students to enter and remain in the co

经济学人138:犯罪余震

Science and technology 科学与技术 Policing 治安 The aftershocks of crime 犯罪余震 An idea borrowed from seismology may help to predict criminal activity. 从地震学上获取的灵感或许能预测犯罪行为。 LOS ANGELES is one of th

2010上海世博会：浦东主题馆

2010上海世博会：浦东主题馆 Theme Pavilions in PudongLocation: Section B, western side of Expo Axis地理位置：会馆轴线西边Ｂ场Floor area: Total area of 80,000 square meters above ground and 40,000 square meters underground占地面

你所爱之人的痛苦

I do not know the suffering of a person you love but love a person can love to the original as deaf as dumb. He is one of him, no matter what, you are accepted, do not want to do anything a little bit of modification. And the extraordinary in his eye

gre作文：巧用替换词得高分

能够able capable, in a(ny) position 一直all the time continually, continuously, constantly, perpetually 许多地a lot noticeably, considerably, a great deal, substantially 许多的a lot of many, numerous, a wide variety of (themes), a whole ran

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2016年最新托福口语题目：通过群落对环境的作用 Task 4 题目文章中介绍的词是autogenic succession, 意思大概是通过群落对环境的反作用使环境条件发生变化，由于这些变化了的条件的作用形成了新