TED演讲:为何闪亮的玻璃高楼对城市生活有害(1)

Imagine that when you walked in here this evening, 想象一下当你在今晚步入这里时， you discovered that everybody in the room looked almost exactly the same: ageless, raceless, generically good-looking. 你发现所有在场的人看上去

事实：加拿大国土面积是欧盟的两倍-Canada is Twice the Size of the European Union

Pre-Listening Vocabulary territory: the area owned by a certain nation European Union: an association of 28 nations in Europe that makes social and economic decisions together shoreline: the place where water meets land bordered by: to have something

科学美国人60秒 SSS Stopping Splashes with Smarter Surfaces

When you spill a liquid on the ground, it splashes. But if youre a guy using a urinal, or, more important, if the liquid is dangerous, say, an infected blood sample, you want to limit splashing. In other words: If an accident happens, you want the dr

英语听力文摘 English Digest 601、树叶与太阳能板

Leaves Inspire Better Solar Panels What do leaves and solar panels have in common? Both absorb sunlight and turn it into energy. But while solar panels typically have smooth surfaces, leaves have tiny wrinkles and folds that allow for maximum light a

你的刷牙方法正确吗？标准刷牙法

In toothbrushing, it is important to clean at the gum margins, because the bacteria usually accumulates here. Neglecting to clean the gum margins, the gums will become inflamed and will bleed easily on toothbrushing. 刷牙最重要的是针对牙齿的

SSS 2012-02-01

It's tough to be a machine in the desert. Particles of dirty sands walk their way in to moving parts where they break turbine's motors pipes on other equipment.To avoid the costly warranty, researches are taking lessons from a desert native, the yell

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美国国家公共电台 NPR A Sexual Underground Surfaces In 'Scotty And The Secret History Of Hollywood'

LULU GARCIA-NAVARRO, HOST: After World War II, a Hollywood gas station became the center of that city's hidden sex life. Scotty Bowers was an attendant there. (SOUNDBITE OF FILM, SCOTTY AND THE SECRET HISTORY OF HOLLYWOOD) SCOTTY BOWERS: One day, Car

TED演讲:昔日纽约(4)

The few surfaces not covered by signs are often clad in a distinctive, dark green-gray, striated aluminum siding. 这仅存的没有被商标遮盖的建筑，一般都被包裹在有特色的阴暗铝灰条纹的铝制外壁板之中。 Take-out san

PBS高端访谈:鲨鱼皮可能会成为抵抗超级细菌的秘密武器

JUDY WOODRUFF: Now: sharks. Just saying the word can send shivers down the spines of some, but as Hari Sreenivasan found in this report, studying their skin could be key to fighting diease and is on the cutting edge of the larger push announced at th

裸奔派VS西装派：看英国人如何吐槽37度高温

Commuters faced a nightmare journey home tonight as Britain's trains were blighted by delays and road surfaces melted in the heat. 今晚对于通勤的乘客而言真是个噩梦般的回家之旅英国的火车彻底延误毁了，路面高温简直是

【英音模仿秀】修长城的农民

模仿文本： In places, the Great Wall of China is so dilapidated that estimates of its total length vary from nine thousand to 21 thousand kilometres. One Chinese farmer Yang Yongfu decided to do something about it. And where the Great Wall borde

英语听力文摘 English Digest 131、去沙漠如何着装？

D: Hey, Yael, check out my new white linen suit. It's going to keep me cool on my vacation to the Mojave desert. Y: That is one snazzy suit, Don. D: Oh, I'm stylin'. Plus, everyone knows that white reflects heat and black absorbs it. Yes, if you're o

经济学人236:金属,自己愈合吧 Metal,heal thyself

Metal, heal thyself 金属，自己愈合吧 Materials science: Researchers have devised an ingenious way for the damaged surfaces of metals to repair themselves when they come to harm 材料科学：研究人员构想出了一种新颖独特的方法，

经济学人326:旅馆卫生 当心遥控器

Science and technology 科学技术 Hotel hygiene 旅馆卫生 Mind the remote 当心遥控器 The next time you check in 下次你在办理入住手续的时候 3_副本.jpgNO ONE likes to think about who was in their hotel room before them, let alo