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(90) / 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(96) / 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(56) / 评论(0) 分类 经济学人科技系列

模仿文本:Does exercise hold the key to living a longer, healthier life? This is Discovery from the BBC. I'm Peter Bowes and I'm trying to find out whether it's possible to slow down the aging process. Muscle Beach in California is where Arnold

发表于:2018-12-28 / 阅读(64) / 评论(0) 分类 英音模仿秀

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(138) / 评论(0) 分类 经济学人科技系列

it is also the tallest because no other trees block its sunlight, 还因为没有别的树木遮蔽它的阳光, because the soil around it was deep and rich, 因为树木周围的土壤肥沃而深厚; because no rabbit chewed through its bark a

发表于:2019-01-01 / 阅读(53) / 评论(0) 分类 异类:不一样的成功启示录

我们认为疼痛是一种症状,但经神经系统的反射,疼痛本身已经成为一种疾病。我们就从一个女孩手腕扭伤后演变成噩梦的故事说起。艾略特克兰讲述了关于慢性疼痛的繁复奥秘,探索慢性疼

发表于:2019-01-05 / 阅读(56) / 评论(0) 分类 TED公开课:美妙的神经系统

科学家揭开变色龙眼球独立运动的奥秘 Many fish and birds have eyes on opposite sides of the head, and they seemingly have at any given moment two different pictures of the world around them. But chameleonseyes are slightly bulging so t

发表于:2019-01-14 / 阅读(89) / 评论(0) 分类 VOA标准英语2016年(一月)

Well, the story of the earth spin goes back all the way to the origin of the solar system, four and a half billion years ago. The solar system started out as a cloud of gas and dust. And these gas and dust clumped together to form the sun and the var

发表于:2019-01-22 / 阅读(86) / 评论(0) 分类 自然百科2009年

系动词亦称联系动词(Link Verb),作为系动词,它本身有词义,但不能单独用作谓语,后边必须跟表语(亦称补语),构成系表结构说明主语的状况、性质

发表于:2019-02-03 / 阅读(72) / 评论(0) 分类 英文语法词汇

亨利马克拉姆说很快大脑的奥秘就可以被破解。精神疾病病、记忆、知觉: 这些是由神经元和电信号构成的,他计划用超级计算机模拟大脑全部的100万亿个突触,来研究它们。

发表于:2019-02-05 / 阅读(80) / 评论(0) 分类 TED公开课:美妙的神经系统

A:Hello,Modern English.Drew here. 你好,洋话连篇,我是Drew B:hi,buddy,it's marco . 嘿哥们儿,我是麦克 A:How can I help you today? 今天想聊些什么? B:Well.I am going for an interview tomorrow. Can you give me an idea of what t

发表于:2019-02-13 / 阅读(102) / 评论(0) 分类 实用英语

And there are certain forms of the FOXO gene 我们发现活到90或者100岁人里 that have found to be more frequently present 最常有的 in people who live to be 90 or 100. 某种FOXO基因 And that's the case all over the world, 这是遍布全球

发表于:2019-02-14 / 阅读(187) / 评论(0) 分类 TED演讲科学篇

Because chlorophyll is the chemical responsible for making leaves green, its absence allows chemicals such as carotinoids, xanthophylls, and others to give leaves their orange, yellow, and various other colors. As trees stop producing chlorophyll, th

发表于:2019-02-15 / 阅读(87) / 评论(0) 分类 英语时差8,16

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

The aim is to have children who are happy and thriving. 这么做的目的就是让孩子们快乐、健康地成长; Wearing green T-shirts on St. Patrick's Day is purely optional. 而且,在圣帕特里克节穿不穿绿色衣服都是无关紧要

发表于:2019-02-20 / 阅读(125) / 评论(0) 分类 向前一步

台湾籍旅美老师今天交给我们的句子是: We can inherit a lot from our parents. Hair and eye color, height. But we can't inherit everything, because some biological traits are acquired during our lifetime. The only way to transmit biolo

发表于:2019-02-21 / 阅读(59) / 评论(0) 分类 留美老师带你每日说英文

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(70) / 评论(0) 分类 英语时差8,16

Wendi: So I want you to tell me a little bit about, kind of, your daily maintenance or whatever with regards to waxing and hair management. Rina: Well, with waxing, I don't do waxing. I do sugaring. Wendi: OK. Rina: And it's basically sugar and water

发表于:2019-03-06 / 阅读(131) / 评论(0) 分类 英语趣味课堂

A Great Friend 伟大的朋友 As I am now a senior high school student, I have a great many friends, 尽管我现在已经是一个高中生了,有很多朋友。 but there is one whom I prize over all the rest. 但有一个朋友是我一生该珍重

发表于:2019-03-10 / 阅读(124) / 评论(0) 分类 双语有声阅读