No body had had seen this kind of thing before, so this was the first time and all the people looking at the gel and saying

发表于:2018-12-07 / 阅读(73) / 评论(0) 分类 基因外遗传现象

If inheritance was not just about DNA, if these gene switches were so important, just what could turn them on or off? Stephanie and Emend Mullins have two children, Karen and Charlotte. When we were t

发表于:2018-12-07 / 阅读(80) / 评论(0) 分类 基因外遗传现象

We are on the brink of uncovering a hidden world, a world that connects past and future generations in ways we never imagined possible. What this means is an environmental exposure that your grandmoth

发表于:2018-12-07 / 阅读(49) / 评论(0) 分类 基因外遗传现象

Mosquitoes spread malaria that kills an estimated 429,000 people every year. Many of them are children, so this new method of killing mosquito populations has sparked a huge interest. Scientists from Imperial College London managed to eliminate a pop

发表于:2018-12-08 / 阅读(58) / 评论(0) 分类 VOA标准英语2018年(十月)

讲解文本: look down on 小看,看不起,轻视 Don't look down on me just because I'm ugly! 别因为我丑而看不起我! look down upon 小看,看不起,轻视 He is young and inexperienced, but please do not look down upon him. 他年

发表于:2018-12-27 / 阅读(51) / 评论(0) 分类 愉悦口语

Mice with a genetic predisposition to get a Crohn's-like disease were kept healthy until exposed to a virus that apparently triggers the condition. Crohns disease is a real pain in the gut. This inflammatory disorder can lead to some serious intestin

发表于:2019-01-02 / 阅读(131) / 评论(0) 分类 60秒科学

An experiment tracking mice for 43 generations finds that progeny of those that initially were more active are spending three times as much time on the training wheel as the progeny of the initially more sedentary mice. Christopher Intagliata reports

发表于:2019-01-02 / 阅读(96) / 评论(0) 分类 60秒科学

Neandertals Live On in Our Genomes也许你身上存有尼安德特人的基因 Fifty thousand years ago, Homo sapiens weren't the only game in town. We were just one of several species of hominids roaming the Earth, like the Neandertals in Eurasia.

发表于:2019-01-20 / 阅读(75) / 评论(0) 分类 2017年Scientific American(六)月

小白脸这个词大家一定熟悉,说来历史上早有先例,武则天就养了很多面首,这应该和现在我们所说的小白脸是一个性质。小白脸的英文表述其实很可爱,你知道是什么吗? 大概每个人在成长

发表于:2019-02-09 / 阅读(100) / 评论(0) 分类 英语口语

If you've been through it, this will probably come as no surprise. Divorce can add years to a person's face, it is claimed. 如果你已经经历了,你可能不会感到惊讶。研究称,离婚会让人容颜变老。 Researchers found that mar

发表于:2019-02-09 / 阅读(102) / 评论(0) 分类 实用英语

台湾籍旅美老师今天交给我们的句子是: Many other genes have been identified which increase the likelihood of depression too. And it makes sense when you consider that depression and bipolar disorder both run in families. 许多其他的

发表于:2019-02-14 / 阅读(61) / 评论(0) 分类 留美老师带你每日说英文

Nutrigenomics The study of genes has shown that every individual is genetic ally unique, and this discovery leads to a host of questions as to the relationship between an individuals genes and environmental factors such as diet. That is, how does die

发表于:2019-02-16 / 阅读(59) / 评论(0) 分类 英语听力文摘 English Digest

juven juven = young 年轻,年少 728. juvenile〔 juven 年少,-ile 形容词后缀, 的 〕青少年的;〔 转作名词 〕青少年 729. juvenility〔 见上,-ility 名词后缀 〕年少,年轻730. juvenescence〔 juven 年少,年轻,

发表于:2019-02-17 / 阅读(103) / 评论(0) 分类 GRE英语

在生活中,尤其在中国,人们都比较喜欢询问对方的年龄。但是,有时候人们不想让对方知道自己的具体岁数,通常会说:三十刚出头、二十好几、快三十岁之类的模糊答案。今天,小编就带

发表于:2019-02-18 / 阅读(60) / 评论(0) 分类 英文语法词汇

Five tips for coexisting with the office millennials. 同公司新千年一代和平共处的五个小方法 Treat young co-workers like individuals rather than representatives of their generation. 对待年轻同事就像对待个人一样而不是把

发表于:2019-02-18 / 阅读(57) / 评论(0) 分类 阅读空间

In your youth, you will make choices that will define you. The disciplines you begin now will be with you for the rest of your life. Traveling will change you like little else can. It will put you in places that will force you to care for issues that

发表于:2019-02-19 / 阅读(57) / 评论(0) 分类 英语美文

Should you really join a startup? While it is true that the position may be full of potential, more likely than not you've been sold a series of myths. So before doing drastic, check out the following 10 reasons why you might not want to join a start

发表于:2019-02-24 / 阅读(94) / 评论(0) 分类 阅读空间

DNA Wrath of Khan 成吉思汗疯狂的基因 Today, Afghanistan is a war-torn region, battled over by military forces and world-spanning empire s . Eight hundred years ago things were much the same. Only then, there was only one ruler: Genghis Khan.

发表于:2019-02-24 / 阅读(114) / 评论(0) 分类 英语听力文摘 English Digest

1、year n.年 2、yellow adj.黄色的 3、yes adv.是 是的 4、yesterday n.昨天 5、you pron.你 6、young adj.年轻的 7、your adj.你的

发表于:2019-02-25 / 阅读(66) / 评论(0) 分类 英文语法词汇

reckless 轻率的,不计后果的,鲁莽的,无所顾忌的 Mike is young and reckless. 麦克年轻而鲁莽。 He apologized for his reckless behavior. 他对他的鲁莽行为道了歉。 疯狂练习吧!

发表于:2019-03-06 / 阅读(103) / 评论(0) 分类 愉悦口语