A TOMATO EVENT

Mike: OK, for those of you who missed it at yesterday's afternoon press conference, our very own Paul Lassider was hit in the face with a rotten tomato. (All cheer.) Mike : (seriously) And That's a ba

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，

TED演讲:如何把熟蛋变生(2)

Here's the key part. 接下来是关键的部分。 The solution nearest the wall spins faster than the solution closer to the middle. 离试管壁最近的溶液，要比中间的溶液旋转得更快。 That difference in velocity creates sheer str

SSS 2011-01-27

This is Scientific Americans 60-Second Science. Im Steve Mirsky. Got a minute? Generations of American children have been told, Eat your broccoli! And for decades, researchers have known that broccoli and related vegetables like cauliflower and water

SSS 2008-09-04

This is Scientific American's 60-Second Science. I'm Cynthia Graber. This will just take a minute. Conditions such as mad cow disease are caused by abnormally shaped proteins, called prions. Prions spread by causing other, normal proteins to misfold

情景英语口语100主题 034fruit and vegetable水果与蔬菜

34 fruit and vegetables words apple orange banana potato tomato carrot tropical peach grapes leek onion watermelon plum pear stir fry eggplant bitter melon kiwi fruit cabbage lemon pineapple organic strawberry broccoli sweet corn bunch seeds/pips fre

英语笑话：Alphabet Riddles

Q: What letter of the alphabet is an insect? A: B. (bee) Q: What letter is a part of the head? A: I. (eye) Q: What letter is a drink? A: T. (tea) Q: What letter is a body of water? A: C. (sea) Q: What letter is a vegetable? A: P. (pea)

北师大初中英语七年级上--Unit 4-16-1

[00:00.00]Unit 4 Food [00:06.86]Lesson 16 [00:12.12]Exercise 1.1 [00:15.83]Do you know what you want to order? [00:18.42]Yes.I'd like French fries with ketchup. [00:22.16]What?That's not very healthy! [00:25.11]Order vegetable soup,honey. [00:27.37]N

英语1000高频词汇(初级):第47课

英语1000高频词汇(初级):第47课 [00:03.00]usually [00:04.01]usually adv.通常, 大抵 [00:16.80]vacation [00:17.81]vacation n.假期, 休假, (房屋等的)腾出 v.美度假, 休假 [00:36.42]vegetable [00:37.42]vegetable n.蔬菜, 植物, 生活呆板单调的人 adj.蔬菜的, 植物

第30期: tail, vegetable, east, enough, through

说一口流利的英语，从简单的单词开始。 听听，读读，背背，今天你的词汇量又增加了5个。 单词/词义 中英例句 单词听读 tail [ tei ] The police have been tail

新西兰英语 92 Vegetable gardens

More and more people are growing their own fruit and vegetables at home with garden centres around the country reporting an increase in the sales of vegetable plants. While gardening has always been a popular pastime in New Zealand, vegetable gardens

SSS 2008-10-08

This is Scientific American's 60-Second Science. I'm Steve Mirsky . Got a minute ? The Nobel Prize in chemistry goes to three men who revolutionized molecular life science, Japans Osamu Shimomura and Americans Martin Chalfie and Roger Tsien. They dev

SSS 2008-05-05

This is Scientific American's 60-Second Science, Im Steve Mirsky. Got a minute? Biologists often attempt to construct a genealogy that shows the relationships of all life on earth. One well-accepted effort compares the nucleic acid sequences that cod

SSS 2009-10-07

The 2009 Nobel Prize in Chemistry goes to Venkatraman Ramakrishnan of the MRC Laboratory of Molecular Biology in England, Yale Universitys Thomas Steitz, and Ada Yonath of the Weizmann Institute of Science in Israel for their studies of the ribosome.

与厨房有关的英语词汇知多少

水壶 kettle 鸣笛水壶 whistling kettle 鸣笛 whistle 茶壶 teapot 烤箱 toaster 冰箱 refrigerator-freezer, fridge-freezer 洗碗机 dishwasher 沥水板(美作：drainboard) draining board 灶(美作：stove) cooker 食品加工机 food pro

Mad Cow Disease

74 疯牛病及其最新的检验方法 DATE=7-24-01 TITLE=SCIENCE IN THE NEWS #2134 - Mad Cow Disease BYLINE=Nancy Steinbach, George Grow VOICE ONE: This is Sarah Long. VOICE TWO: And this is Steve E

Human fertilization process discovered

BEIJING, Aug. 22 (Xinhuanet) -- Researchers have discovered how a human egg captures an incoming sperm for fertilization, paving the way to help couples suffering from infertility, according to media reports on Monday. An international team of resear

健康生活 从食物搭配开始

There has been a lot of research done on the significance of food combining when we eat. Many believe that our stomach is designed to only digest food correctly one food type at a time or eating foods together that are compatible with each other. Thi

经济学人:熊猫遗传学:熊猫的第二拇指(2)

He and his colleagues noted parallel changes in the genes for three digestive enzymes whose job is to liberate two particular amino acids, lysine and arginine, from proteins. 他的团队发现三种消化酶基因相似的改变，这些消化酶的作

CCTV9英语新闻：Vegetable & pork prices stabilize in China

Vendors say vegetable and pork prices have stabilized in recent days after being especially high over the past two months, especially during the Chinese New Year holiday. Vegetables and pork are major ingredients in most Chinese dishes and consumers