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,

发表于:2018-12-05 / 阅读(93) / 评论(0) 分类 经济学人科技系列

One of the leading researchers in the field of protein folding is David Baker of the University of Washington, in Seattle. 西雅图华盛顿大学的David Baker是蛋白质折叠领域研究者的领军人物之一。 For the past 20 years he and hi

发表于:2018-12-05 / 阅读(98) / 评论(0) 分类 经济学人科技系列

Science and technology 科技 Molecular Biology: Folding Stuff 分子生物学:折叠 Shape determines a protein's function. Determining that shape, though, is tricky. 蛋白质的结构决定功能,而结构的形成却很难。 ABOUT 120,000 ty

发表于:2018-12-05 / 阅读(57) / 评论(0) 分类 经济学人科技系列

A Book of Real Life Love Poems Takes a Down to Earth Look at Affection 一本现实主义爱情诗集记录下凡人眼中的爱情 To celebrate Valentine's Day (February 14), millions of Americans ga

发表于:2018-12-08 / 阅读(57) / 评论(0) 分类 VOA2005(上)--文化教育动态

Who doesn't want to live forever? The Longevity Project is an eye-opening book based on one of a kind study, following 1500 people over eight decades. This book changes everything we thought about how to live a long, productive life. We're joined now

发表于:2018-12-11 / 阅读(59) / 评论(0) 分类 访谈录2011年

Nature Can Tell Us Secrets 大自然能告诉我们许多奥秘 The world of the Out-of-Doors is full of secrets. 户外的世界充满奥秘。 There are so many of the secrets, and they are so interesting, 那么多的奥秘,那么有趣, that

发表于:2018-12-17 / 阅读(56) / 评论(0) 分类 美国小学英语教材4

It might be the cheeks flushing with embarrassment or a voice choking with emotion. Our physical reactions can reveal what we truly feel. And some think they can show when someone's lying. Typically when a person tells a lie, they begin to sweat. I'

发表于:2018-12-30 / 阅读(174) / 评论(0) 分类 国家地理2008年

揭开蚕丝的奥秘

发表于:2018-12-31 / 阅读(304) / 评论(0) 分类 有声杂志阅读

Science and technology. 科技。 Exercise and addiction. 锻炼也会上瘾。 Fun run. 奔跑的奥秘。 People, it seems, have evolved to be addicted to exercise. 人类似乎在进化过程中对锻炼上瘾了。 AS THE legions of gym bunnies a

发表于:2018-12-31 / 阅读(139) / 评论(0) 分类 经济学人科技系列

Brian Cox教授带我们用物理学揭开种种宇宙奇迹的奥秘,阐释人类和宇宙的深邃联系。

发表于:2019-01-06 / 阅读(137) / 评论(0) 分类 BBC纪录片

1. ag 记忆单词非难事,原有捷径, 认得ag识字多,立竿见影。 ag=do,act 做,动 1. agent ag做,办理,-ent 名词后缀,表示人 2. agential -ial 形容词后缀,...的

发表于:2019-01-06 / 阅读(101) / 评论(0) 分类 英文语法词汇

2. agri 你已认识field是“田地”, 你是否也知agri的意义? 在有关农田的词汇里, field竟都被agri所代替。 agri=field 田地,农田(agri也作agro,agr) 1. agriculture

发表于:2019-01-06 / 阅读(90) / 评论(0) 分类 英文语法词汇

2. agri 你已认识field是“田地”, 你是否也知agri的意义? 在有关农田的词汇里, field竟都被agri所代替。 agri=field 田地,农田(agri也作agro,agr) 1. agrology agr

发表于:2019-01-06 / 阅读(96) / 评论(0) 分类 英文语法词汇

发表于:2019-01-06 / 阅读(80) / 评论(0) 分类 英文语法词汇

3. ann 山外青山楼外楼,学无止境, 已识year再识ann,由浅入深。 ann=year 年(ann也作enn) 1. annuitant annuit(y)年金;-ant 表示人 2. superannuate super- 超过;ann 年→年龄

发表于:2019-01-06 / 阅读(71) / 评论(0) 分类 英文语法词汇

What is love? And can it potentially throw our senses out of balance? New advances in medical technology mean even the mysteries of love are becoming less mystical and more mechanical. Functional Magnetic Resonance Imaging (FMRI) is a procedure that

发表于:2019-01-22 / 阅读(75) / 评论(0) 分类 自然百科2009年

Kasey on Why Tell me Why. Someone asked why veins are blue and blood is red. So that's part of this question: why do we have different blood types? Blood types are inherited, just like you inherit your eye color, or your hair texture, so you get a ge

发表于:2019-01-22 / 阅读(76) / 评论(0) 分类 自然百科2009年

It might be the cheeks flushing with embarrassment or a voice choking with emotion. Our physical reactions can reveal what we truly feel. And some think they can show when someone's lying. Typically when a person tells a lie, they begin to sweat. I'm

发表于:2019-01-22 / 阅读(105) / 评论(0) 分类 自然百科2008年

Science and technology 科学技术 Exercise and addiction 锻炼也会上瘾 Fun run 奔跑的奥秘 People, it seems, have evolved to be addicted to exercise 人类似乎在进化过程中对锻炼上瘾了 AS THE legions of gym bunnies and jogging

发表于:2019-02-16 / 阅读(123) / 评论(0) 分类 经济学人科技系列

Every autumn, citizens of the North American Midwest and Northeast enjoy a spectacularly colorful display as leaves turn various shades of red, orange, yellow, purple, and brown. But autumn also entails the backbreaking work of raking all those beaut

发表于:2019-02-23 / 阅读(75) / 评论(0) 分类 英语时差8,16