四六级必读美文系列:你能做到不抱怨吗?

Baseball fans are gearing up for the World Series, but we all know what's the real national pastime: complaining. Could you go without griping about anything for a day? For a week? 棒球迷们正在翘首以待即将到来的世界职业棒球大赛，

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，

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

【英语语言学习】奥斯维辛的幸存者

KELLY MCEVERS, HOST: Clothes can make you feel confident, even powerful. But can a piece of clothing save your life? We are about to meet a man who dresses other people for a living. And then we'll hear NPR's Hanna Rosin turn the mirror on him and a

OxyContin Warning

86 去痛片须慎用 DATE=8-16-01 TITLE=SCIENCE REPORT - OxyContin Warning BYLINE=Jerilyn Watson （Start at 1'02

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—基因专业词汇A/B

VOA常速英语2014--南非出现反对执政党ANC的声音

Some South Africans Voice Discontent With Ruling ANC 南非出现反对执政党ANC的声音 JOHANNESBURG South Africans are preparing for elections scheduled for May 7, and some former officials with the ruling ANC have called for a protest vote aga

美国国家公共电台 NPR Invisibilia: When Death Rocks Your World, Maybe You Jump Out Of A Plane

RACHEL MARTIN, HOST: Good news for all of us who are fans of NPR's Invisibilia - the show about human behavior returns today with a new season of stories about the invisible forces that shape our lives. Today, co-host Hanna Rosin explores what skydiv

美国国家公共电台 NPR The Roots Of Consciousness: We're Of 2 Minds

AUDIE CORNISH, HOST: NPR's Invisibilia, the show about human behavior, has returned with a new season of stories about the invisible forces that shape our lives. This week, they're looking at how ideas and concepts from our culture get into our heads

【有声英语文学名著】傲慢与偏见（30）

Pride and Prejudice by Jane Austen Chapter 30 Sir William stayed only a week at Hunsford, but his visit was long enough to convince him of his daughter's being most comfortably settled, and of her possessing such a husband and such a neighbour as wer

【有声英语文学名著】傲慢与偏见（37）

Pride and Prejudice by Jane Austen Chapter 37 The two gentlemen left Rosings the next morning, and Mr. Collins having been in waiting near the lodges, to make them his parting obeisance, was able to bring home the pleasing intelligence, of their appe

【有声英语文学名著】傲慢与偏见（28）

Pride and Prejudice by Jane Austen Chapter 28 Every object in the next day's journey was new and interesting to Elizabeth; and her spirits were in a state of enjoyment; for she had seen her sister looking so well as to banish all fear for her health,

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

英语博客(A cup of English):083 A Foxy Chick.

Beginners. Well, it's time for a new dog. For the past year, we have been a one dog family. But, you know, our dog, Rosie, is a wildly social lady. She goes crazy any time she meets another dog, a cat, a mouse, or a bird, let alone a human. But, the

2007年VOA标准英语-Oxycontin Manufacturer Lied About Dangers of Dr

By Melinda Smith Washington 14 May 2007 Top executives of the company that makes a powerful painkiller called Oxycontin admitted this week they lied about the drug's addictive qualities in order to boost sales. As VOA's Melinda Smith reports, worldwi

英语博客(A cup of English):Vaccines for Foxy.

Beginners. Today, Foxy had an appointment with the vet for vaccinations and a general check-up. She is about eight months old, so she needed her second set of vaccinations. The vet also needed to see if her growth was normal and healthy. I put her in

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