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，

US Farmers Look for Economic Boost From NAFTA Negotiations

Ken Beck characterizes his life as a farmer in the U.S. right now as a gamble. Risky at best, he told VOA. There is no money in this game anymore. Beck says he is entering a fifth year of losing money, due in part to lower corn and soy prices, along

大学英语四级语法精解(二)

二、 比较级 1． Test Yourself 在我们分析比较级的测试特点探讨其应对策略之前,让我们首先看以下几题。 1) Radio, television and press ____ of conveying news and information.(1995.6) A. are the most three common means

SSS 2012-07-25

This is Scientific American's 60 seconds science. I'm Ian Chant. Got a minute Secret identities aren't just for superheros anymore. Researchers have found that protein present in everything from amoebas to people is living the double life. Once it bi

SSS 2009-11-25

Maybe its happened to you. You think you have a fever. So you pop a thermometer in your mouth and try to breathe through your nose to get an accurate reading. But youre totally stuffed up, so you experience this moment of complete panic because you c

Genetically modified cows

Jen: Hello and welcome to 6 Minute English from BBC Learning English. I'm Jen and with me today is Neil. Neil: Hello there. Jen: Todays story is all about allergies. If you have an allergy to something, your body reacts to it in a negative way. Do yo

SSS 2009-03-02

This is Scientific American's 60-Second Science. I'm Karen Hopkin. This will just take a minute. Its like the molecular version of the Joker and the Riddler teaming up against Batman. Scientists at Yale University have discovered that amyloid beta, a

研究：女性话多因脑部语言蛋白多

美国马里兰州大学神经学家和心理学家联合进行的一项研究显示，女性的确比男性话多，其原因是女性大脑中的语言蛋白比较多。此前有研究称，女性一天大概说2万个单词，比男性多出1.3万个

第374期:大宝和二宝区别就这么大

New Words: pregnancy n. 怀孕； heck heck int. 真见鬼（hell的委婉说法） protein n. 蛋白质； hygiene n. 卫生； sterilize vt. 消毒，杀菌； organic adj. [有化] 有机的； Pregnancy Firstborn I only eat food with high protein

糖尿病患者碰都不该碰的食物

Diabetes is all about carbs, Deborah Malkoff-Cohen, registered dietitian and certified diabetes educator, says. No medical prescription can fix a bad diet. The condition requires daily maintenance monitoring blood sugar levels, eating healthy and exe

经济学人233:纳米技术 生物工厂

Science and technology 科学技术 Nanotechnology 纳米技术 A fab result 生物工厂 A novel way of making computer memories, using bacteria 制造计算机存储器的新奇方法：使用细菌 FOR half a century, the essence of progress in th

U.S. FDA approves new drug to treat leukemia

WASHINGTON, Nov. 18 (Xinhua) -- The U.S. Food and Drug Administration (FDA) on Friday approved Erwinaze to treat patients with acute lymphoblastic leukemia (ALL), who have developed an allergy to E. coli derived asparaginase and pegapargase chemother

原版英语对话1000个:433 Food

Marion: I was browsing through a bookshop today and I picked up a book on food, which is quite usual for me cause I love food, em, but this book was a bit different, em, it tried to make the connection between the kind of food you eat and how it make

上班吃9种零食 老板也会跟你抢！

Jonny Bowden, a Los Angeles nutritionist who has written 12 books including, most recently, The 150 Healthiest Slow Cooker Recipes on Earth, says the ideal office snacks are well constructed mini-meals. That means food that contains protein, fat and

英语访谈对话 433 Food

I was browsing through a bookshop today and I picked up a book on food, which is quite usual for me cause I love food, em, but this book was a bit different, em, it tried to make the connection between the kind of food you eat and how it makes you fe

英语访谈对话 375 Food

I was browsing through a bookshop today and I picked up a book on food, which is quite usual for me cause I love food, em, but this book was a bit different, em, it tried to make the connection between the kind of food you eat and how it makes you fe

研究称喝牛奶也能缓解压力

你知道吗，喝牛奶除了能补充钙质，还能减压呢，也就是说它对于人的身心健康有双重作用！不过至于要喝多少才能达到减压的效果，现在没有数据提供，只有靠大家自己尝试喽。 A protein fo

巧克力奶才是运动后最佳饮品

Forget the protein shakes, chocolate milk may be the best thing to drink after you workout. 忘掉蛋白质奶昔吧，巧克力奶或许才是运动后的最佳饮品。 Scientists have found that the beverage has all the nutrients that your body ne

经济学人458:制造计算机存储器的新奇方法

Science and technology. 科技。 Nanotechnology. 纳米技术。 A fab result. 生物工厂。 A novel way of making computer memories, using bacteria. 制造计算机存储器的新奇方法：使用细菌。 FOR half a century, the essence of prog

托福阅读背景知识之早晨的阳光更安全

The early bird gets the wormand may avoid skin cancer. Because a new mouse study suggests that, for humans, tanning in the mornings may be less likely to permanently damage DNA and cause skin cancer. 早起的鸟儿有虫吃，当然也能避免皮肤癌