17 JOHN TRAVOLA

Barbara: You know, we've talked about the success that you had, that overwhelming success and then in 1980 you made Urban Cowboy, a big hit and then after that, there were a series of films that didn'

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

Do Animals Think?

As a matter of fact, milk always meets in the stomach a digestive juice which curdles it; the curdling of the milk is the first step in its digestion. A similar wrong idea is that fish and ice cream w

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.

英语歌曲:Angelia

Richard Marx - Angelia Greatest Hits Memories of you and me Tumble inside my head The way that we used to be Things that we said No one has ever made me believe so strong You left me to wonder How did our love go wrong Angelia Where you running to no

TED演讲:如何把熟蛋变生(1)

It's so obvious that it's practically proverbial. You can't unboil an egg. 很明显又众所周知的是。你不能把一个熟蛋变生。 Well, it turns out you can, sort of. 然而，其实在某种程度上你是可以的。 What thermal energy

VOA双语新闻 Federal Appeals End in Schiavo Case

The parents of brain-damaged Terri Schiavo have ended their appeals in the federal court system following another ruling against them by a three-judge panel in Atlanta, Georgia. The Florida Circuit Court Judge who ruled to disconnect their daughter's

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

音乐咖啡厅:Torn 心碎 Natalie Imburglia 娜塔莎

凭借这首轻快的《Torn》，之前从未发行过专辑的Natalie Imburglia 一夜成名。她灵动的唱腔及清丽的偶像脸庞立即吸引了无数歌迷。 大家对Natalie Imburglia的一般印象，就是那个在著名的肥皂剧Neighbours里的 Beth。但是如果你听过她的第一支单曲《Torn》的话，相信你会

音乐咖啡厅:Only Fooling Myself美丽牛津才女Kate Voegele

Kate Voegele是MySpace Records签约的创作型歌手，这位年轻的女孩来自俄亥俄州，今年21岁，在高中时期，她就已经参加大型演出。她于2007年5月22日发行她的首张专辑。在1月22日播出的中她首次现身，扮演被身为音乐人的女主角发掘的新人Mia。 Kate的声音拥有一种穿透心灵

Using bacteria to generate energy hopeful

BEIJING, May 24 (Xinhuanet) -- Scientists revealed for the first time the molecular structure of proteins, which enables bacteria to transfer electrical charges, according to a new study. The revelation was published in Proceedings of the National Ac

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

经济学人:熊猫遗传学:熊猫的第二拇指(1)

The anatomy-related adaptations were those that seemed to control the development of the pandas second thumbs. 与生物体结构相关的基因有可能控制熊猫第二拇指的生长。 Two genes in particular, DYNC2H1 and pericentrin, have mutat