经济学人:分子生物学 蛋白质的奥秘(2)

One of the leading researchers in the field of protein folding is David Baker of the University of Washington, in Seattle. 西雅图华盛顿大学的David Baker是蛋白质折叠领域研究者的领军人物之一。 For the past 20 years he and hi

Earth and Sky:Acid Rain 酸雨

Acid Rain 酸雨 Damage from acid rain is widespread - not just in eastern North America, but throughout Europe, Japan, China, and Southeast Asia. Is the rain that's falling on your umbrella acidic? A listener's question -- on today's Earth and Sky. J

Red River Valley

VOA慢速英语--研究人员通过转基因来增加玉米营养

Researchers Genetically Modify Corn to Increase Nutrition Researchers in the United States say they have discovered how to genetically engineer corn to produce a kind of amino acid usually found in meat. The result is a food with increased nutrition

聪明人-想法以事实而非信仰为基础(2)

Are you intelligent？ 你够聪明吗？ An intelligent person's opinions arebased on facts and not beliefs. 聪明人的想法以事实而非信仰为基础。 This has more to do with their skepticism. Unless and until they are presented with hard

知性英语－Acid rain 酸雨

How does acid deposition affect human health? We eat food, drink water, and breathe air that has come in contact with acid deposition. Canadian and U.S. studies indicate that there is a link between t

专业术语—口腔生理学术语A2(英文详解)

Ameloblasts- cells which differentiate from ectoderm and secrete enamel during tooth development. Amino acids - building blocks of proteins containing a carboxyl group (COOH) and an amino group(NH2) b

SSS 2009-06-12

This is Scientific American's 60-second Science. I'm Adam Hinterthuer. Got a minute？ When an Iraqi reporter threw his shoe at President Bush, University of Washington neurologists were delighted. But not because of politics. The fling was just real

英文乡村歌曲：《红河谷》(Red River Valley)

From this valley they say you are leaving他们说你从这个山谷离开 We shall miss your bright eyes and sweet smile我想念你那明亮的眼睛和迷人的微笑 For you take with you want of the sunshine因为你世界充满阳光 That is br

VOA标准英语2013--Washington Week: Focus on Immigration

Washington Week: Focus on Immigration There is widespread agreement within the United States that the U.S. immigration system is flawed. Senators this week will debate a bill that seeks to comprehensively overhaul that system. The bipartisan bill wou

考研英语长难句讲解 第243期

2012考研英语长难句 7、Chomsky's grammar should show patterns of language change that are independent of the family tree or the pathway tracked through it, whereas Greenbergian universality predicts strong co-dependencies between particular ty

VOA常速英语2007年-Acid Attacks Are a Growing Form of Revenge in U

By Birungi Machrine Kampala 26 November 2007 Attacks using acid are becoming more frequent in Uganda. Up to 2003, there were only 145 recorded attacks, but over the last three years, there have already been 87. Survivors often suffer from severe emot

TED演讲:引力与人体(2)

You know, all life developed here on Earth with gravity being present, 你知道，地球上的生物在重力环境下生存， so life evolved under the influence of gravity, and then we grow up with gravity being present, 你知道，地球上的生

【英语语言学习】红酒可以延缓衰老？

This is SCIENCE FRIDAY, I'm Ira Flatow. Here's some news to raise a glass to: the idea that red wine may help us live longer and healthier lives. Well, it got a new boost this week. According to a team of researchers, a compound found in the skin of

60秒科学:Brain Knows It's Duck Reason

When an Iraqi reporter threw his shoe at President Bush, University of Washington neurologists were delighted. But not because of politics. The fling was just real-world evidence of a theory they were testing. As the shoe flew, Bush ducked while Ira

听歌学英语:Keane乐队经典单曲(Somewhere Only We Kno

Somewhere Only We Know by Keane I walked across an empty land I knew the pathway like the back of my hand I felt the earth beneath my feet Sat by the river and it made me complete Oh simple thing where have you gone I'm getting old and I need somethi

音乐咖啡厅:Faron Young - SupperTime

Many years ago in days of childhood I used to play till evening shadows come And then winding down that old familiar pathway I heard my mother call at set of sun Come home come home it's suppertime The shadow's lengthen fast Come home come home it's

美国乡村音乐:Marty Robblins

Marty Robblins - 美国乡村音乐 From this valley they say you are leaving他们说你从这个山谷离开 We shall miss your bright eyes and sweet smile我想念你那明亮的眼睛和迷人的微笑 For you take with you want of the sunshine因为你世界充满阳光 That is brighte

【英语时差8,16】失忆症

When we remember something, the neurons in our brains communicate with each other in a particular way. The chemical and sometimes even structural changes that occur create a pathway called a memory trace. Signals traveling along these traces are what

你够聪明吗-聪明人并不总是遵循健康的习惯(3)

Are you clever enough? 你够聪明吗？ As a report suggests, There is growing evidence that musicians have structurally and functionally different brains compared with non-musicians. In particular, the areas of the brain used to process music are