经济学人:分子生物学 蛋白质的奥秘(3)

One common protein-contact prediction is that, if the side chain of one member of a pair of amino acids brought close together by folding is long, 一种比较普通的蛋白质接触预测就是，如果一对氨基酸的一个侧链折叠后很长，

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

原版英文小故事 24. Love Hurts

The old house was sold. A new house was yet to be purchased, so Randy was going to rent for a while. He was moving from Virginia to California. The move would put some memories behind him. He was looking forward to a fresh start. Randy and Nora got m

UNIT 5 Go With Transportation Lesson 38: Let's Invent Hoverb

[ti:UNIT 5 Go With Transportation Lesson 38: Let's Invent Hoverboards!] [0:00.666]UNIT 5 第五单元 [0:02.558]Go with Transportation! 乘坐交通工具去！ [0:05.014]Lesson 38: 第38课： [0:07.162]Let's Invent Hoverboards! 我们来发明飞翔器

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

SSS 2009-01-23

This is Scientific American's 60-Second Science. I'm Karen Hopkin. This will just take a minute. As Valentines day approaches, remember, its the thought that counts. Just ask a decorated cricket. Because according to a study published in the January

SSS 2009-04-28

This is Scientific Americans 60-Second Science. Im Karen Hopkin. This will just take a minute. Many of the key molecules for life have a specific direction, or handedness: DNA twists to the right, amino acids to the left. Now scientists at the Nation

【听英文对话做选择】星际迷航短篇对话

Narrator: Welcome to Space Radio Theater, your passport to the future. In this episode, the crew is under attack by an unknown source until it is too late. This episode opens with the crew members on board the Starship Quest. Captain: Status, Command

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

Designer Antibiotics

85 新功效的抗生素在加州诞生 DATE=8-15-01 TITLE=SCIENCE REPORT - Designer Antibiotics BYLINE=Jerilyn Watson （Start at 1'04

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

专业术语—基因专业词汇A/B

河北加拿大版初中英语--Lesson 38

Lesson 38: [00:03.29]Let's Invent Hoverboards!My name's Sam. [00:08.93]Last time I talked to you I told you about my birthday. [00:14.71]What type of transportation would I like to see in the future? [00:20.35]I would like to see hoverboards. [00:24.

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

英闻天下——452 Y-20 Heavy Transporter Has Entered A New Phase

China's first domestically-developed heavy transport aircraft, the Y-20, successfully took off for its first test flight on January 26. Now, Y-20's trial flight has entered a new phase. Our reporter Li Dong has the details. Different from the previou

经济学人152:攻破屏障

Science and technology 科学技术 Creutzfeldt-Jakob disease 克雅氏病 Breaking down the barrier 攻破屏障 A glimmer of hope for a drug that treats disease caused by prions 药物治疗朊病毒感染疾病的一线希望 THE epidemic of mad-c

经济学人107:克雅氏病 攻破屏障

Science and Technology Creutzfeldt-Jakob disease Breaking down the barrier 科技 克雅氏病 攻破屏障 A glimmer of hope for a drug that treats disease caused by prions 药物治疗朊病毒感染疾病的一线希望 THE epidemic of mad-cow dis

经济学人232:基因决定幸福 Happiness is in your DNA

Transporter of delight 传递快乐的使者 Happiness is in your DNA; and different races may have different propensities for it 基因决定幸福；而不同种族的幸福倾向不尽相同 Born smiling? 天生会笑？ THE idea that the human pe

每天吃鲑鱼 像戒烟一样有益

Eating a small steak every day could be as good for you as stopping smoking, scientists say. 科学家说，每天吃一小块牛排可以像戒烟一样对你有好处。 People who eat lots of protein-rich food were found to have lower blood pressu