Gene Therapy for Rare Form of Blindness Approved in US American health officials recently approved the first gene therapy treatment for an inherited disease the type that can pass from parent to child. 美国卫生官员最近批准了第一种治疗遗

发表于:2018-11-27 / 阅读(853) / 评论(0) 分类 2017年VOA慢速英语(十二)月

AGRICULTURE REPORT - Gene Researchers Work on Flood-Resistant RiceBy Jerilyn Watson Broadcast: Tuesday, October 03, 2006 This is the VOA Special English Agriculture Report. Rice plants normally grow w

发表于:2018-12-07 / 阅读(42) / 评论(0) 分类 2006年慢速英语(十)月

One of the concerns about working with genetically modified crops has been that vegetation growing in agricultural fields might escape out into the world. Now, for the first time in the U.S., researchers report a large population of GM crops beyond t

发表于:2019-01-08 / 阅读(85) / 评论(0) 分类 Scientific American(八)月

Heres a tale of genes, smells and pigs. Most people have two copies of a gene that enables them to detect a steroidal pheromone called androstenonewhich is found in male mammals, particularly porkers. But most pigs in developed countries have been ch

发表于:2019-01-08 / 阅读(78) / 评论(0) 分类 Scientific American(五)月

Most people have two copies of a gene that enables them to detect a steroidal pheromone called androstenonewhich is found in male mammals, particularly porkers. But most pigs in developed countries have been chemically castrated. Which means much les

发表于:2019-01-08 / 阅读(61) / 评论(0) 分类 Scientific American(五)月

Mutation 突变 Do you know about mutations? 你知道突变吗? A mutation happens when the DNA structure in a gene changes. 当基因的DNA结构发生变化时就会发生突变。 Once a mutation happens, the change can't be reversed. 突变一旦

发表于:2019-01-10 / 阅读(79) / 评论(0) 分类 与美国小学生一起学英文第12册

Actress Angelina Jolie has had her ovaries and fallopian tubes removed as a preventative measure against cancer. 女星安吉丽娜朱莉摘除了卵巢和输卵管,以预防器官癌变。 Writing in the New York Times, Jolie said she chose to hav

发表于:2019-01-11 / 阅读(68) / 评论(0) 分类 阅读空间

This is the VOA Special English Health Report. This year's Nobel Prize in medicine will go to three researchers who found a way to learn about the duties of individual genes. They discovered how to inactivate, or knock out, single genes in laborator

发表于:2019-01-11 / 阅读(118) / 评论(0) 分类 VOA慢速英语2007年(十)月

神探夏洛克第二季第二集_19 你真的没事吗? 瞧你脸色煞白 Are you sure you're OK? You look very peaky. 没事 我很好 No, I'm all right. 想知道的话 那是水母里的绿色荧光蛋白基因 It was the GFP gene from a jellyfi

发表于:2019-01-28 / 阅读(47) / 评论(0) 分类 神探夏洛克第二季

1. It is one of natures great ironies that the availability of nitrogen in the soil frequently sets an upper limit on plant growth even though the plants leaves are bathed in a sea of nitrogen gas.(3+)下述情形真可谓是自然界的一个莫大讽

发表于:2019-02-01 / 阅读(49) / 评论(0) 分类 GRE英语

Web user sysev7n was cleaning out her fathers photographs at their home in Chengdu when she spotted the old snaps. Compared to a series of photos taken on a recent family holiday, the woman noticed that her parents looked like they haven't aged a day

发表于:2019-02-01 / 阅读(53) / 评论(0) 分类 阅读空间

提起蚊子的天敌,我们第一时间想到的是蚊香,但是现在科学家有了更好的办法:以蚊攻蚊,让带有基因缺陷的转基因蚊子去对付它的自然同伴,最后让蚊虫家族自行灭绝。这种转基因雄性蚊

发表于:2019-02-13 / 阅读(44) / 评论(0) 分类 英语美文

And most curiously of all, both have a sixth digit on their forepawsa kind of ancillarythumb derived from one of the bones of the wrist that helps them hold bamboo stalks for consumption. 最令人惊奇的是,它们的前爪上都长有第六指,是

发表于:2019-02-16 / 阅读(56) / 评论(0) 分类 经济学人科技系列

Science and technology 科学技术 Cell biology 细胞生物学 On your marks... 各就各位 The first cell race in history may further knowledge about how cancers spread 历史上的首次细胞赛跑,可能增进了解有关癌症如何扩散的知

发表于:2019-02-16 / 阅读(40) / 评论(0) 分类 经济学人科技系列

Why Getting Back in Shape is So Hard? 为什么身体走形之后想还原这么难? Because muscle memory doesn't last. 因为肌肉记忆不会持续。 Taking a month or two off of regular exercise may not be so benign. A new small study shows

发表于:2019-02-17 / 阅读(85) / 评论(0) 分类 阅读空间

Doping scandals marred the runup to the Rio Olympics and other games of the recent past. Now, scientists warn that cheating could rise to a new level using genetic research. 兴奋剂丑闻给里约奥运会和最近的其他比赛蒙上了一层阴影

发表于:2019-02-18 / 阅读(48) / 评论(0) 分类 英语新闻

U.S. President Barack Obama wants to invest $215 million into a new health initiative that would help tailor medical treatment to an individual's genetic make-up. 奥巴马总统提议向美国一项新的基因研究计划投资2亿一千五百万美元

发表于:2019-02-18 / 阅读(54) / 评论(0) 分类 阅读空间

本期内容: A humble houseplant with a dash of rabbit DNA could help lower our exposure to indoor air pollution, new research suggests. Scientists have revealed that by inserting a rabbit gene into devils ivy the plant is able to clean the surrou

发表于:2019-02-20 / 阅读(75) / 评论(0) 分类 夏说英语新闻晨读

Are you still single? How ready do you feel you are to change your present situation? If you are sure the right time has approached, we suggest you should visit any of the countries listed below. 你单身吗?是不是很想改变目前的感情状况

发表于:2019-02-21 / 阅读(50) / 评论(0) 分类 阅读空间

Science and technology 科学技术 Flu vaccines and synthetic biology 流感病毒与合成生物学 Going viral 向病毒行进 A speedy way to make a vaccine 快速制造疫苗的方法 IF A new and deadly strain of influenza were to arise, puttin

发表于:2019-02-24 / 阅读(91) / 评论(0) 分类 经济学人科技系列