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，

'Benito Cereno,' by Herman Melville, Part One

Captain Benito Cereno hurried aboard his ship. It was ready to sail. A bright sun and a soft breeze promised good weather ahead. The ship's anchor was raised. And the San Dominick -- old but still seaworthy - moved slowly out of the harbor of Valpara

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

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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

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'Benito Cereno,' by Herman Melville, Part Two

We present the second of three parts of the short story Benito Cereno. It was written by Herman Melville. Last week, we told how African slaves on a Spanish ship rebelled in seventeen ninety-nine. They killed most of the Spanish sailors. Only the cap

'Benito Cereno,' by Herman Melville, Part Three

We present the last of three parts of the short story Benito Cereno. It was written by Herman Melville. As we told you in earlier parts of our story, rebel slaves seized the ship San Dominick off the coast of Chile. They killed many of its officers a

VOA慢速英语--'Benito Cereno,' by Herman Melville, Part One

We present the first of three parts of the short story Benito Cereno. It was written by Herman Melville. Here is Shep O'Neal with the story. Captain Benito Cereno hurried aboard his ship. It was ready to sail. A bright sun and a soft breeze promised

VOA慢速英语--'Benito Cereno,' by Herman Melville, Part Three

We present the last of three parts of the short story Benito Cereno. It was written by Herman Melville. As we told you in earlier parts of our story, rebel slaves seized the ship San Dominick off the coast of Chile. They killed many of its officers a

VOA慢速英语2018--'Benito Cereno,' by Herman Melville, Part Two

We present the second of three parts of the short story Benito Cereno. It was written by Herman Melville. Last week, we told how African slaves on a Spanish ship rebelled in seventeen ninety-nine. They killed most of the Spanish sailors. Only the cap

专业术语—基因专业词汇A/B

2006年VOA标准英语-Amnesty International Criticizes US Over G

By Michael Drudge London 06 February 2006 Camp Delta Cell Block for uncooperative dedtainees The London-base human-rights group, Amnesty International, has issued a new report condemning what it calls

2007年VOA标准英语-Iraqi Shi'ites Denounce US Detention of Politic

By Barry Newhouse Irbil, Iraq 24 February 2007 Iraqi police say a truck bomb killed 37 people and wounded more than 60 outside a Sunni mosque Satuday in restive Anbar province. Three bomb blasts in Baghdad killed at least five people and wounded 20

Jeremiah 耶利米书19

19This is what the Lord says: Go and buy a clay jar from a potter. Take along some of the elders of the people and of the priests 2and go out to the Valley of Ben Hinnom, near the entrance of the Potsherd Gate. There proclaim the words I tell you, 3a

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

omg美语：1014 OMG!美语 Face to Face!

1) head to head / toe to toe 直面对战 2) face to face 面对面 3) see eye to eye 意见相同

2007年VOA标准英语-Tribal People in India Want to Protect Indigeno

By Suzanne Chislett London 08 August 2007 Tribal villagers from the eastern state of Orissa in India claim the planned expansion of a mine and mineral refinery in their region threatens their way of life. So they sent representatives to London to as

万物简史 第408期:生命的起源(2)

Proteins are what you get when you string amino acids together, and we need a lot of them. 你把氨基酸串在一起，就得到了蛋白质。我们需要大量的蛋白质。 No one really knows, but there may be as many as a million types of pro

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