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(49) / 评论(0) 分类 英语美文

Why? Why? is a question that parents ask me all the time. Why did my child develop autism? As a pediatrician, as a geneticist, as a researcher, we try and address that question. But autism is not a single condition. It's actually a spectrum of disord

发表于:2019-02-16 / 阅读(74) / 评论(0) 分类 英语语言学习

More than 100 Nobel laureates have signed a letter urging Greenpeace to end its opposition to genetically modified organisms (GMOs). The letter asks Greenpeace to cease its efforts to block introduction of a genetically engineered strain of rice that

发表于:2019-02-16 / 阅读(71) / 评论(0) 分类 英语新闻

Science and technology: Panda genetics 科技:熊猫遗传学 Hey dude. Give me six! 嘿,伙计。用六指击个掌吧! Two strange mammals illuminate the process of natural selection. 两种不同的哺乳动物阐明自然选择的过程。

发表于:2019-02-16 / 阅读(88) / 评论(0) 分类 经济学人科技系列

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(65) / 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(45) / 评论(0) 分类 经济学人科技系列

Mitochondria manipulate oxygen in a way that liberates energy from foodstuffs. 线粒体支配着氧,释放食物中的能量。 Without this niftily facilitating trick, life on Earth today would be nothing more than a sludge of simple microbes. 没有

发表于:2019-02-17 / 阅读(81) / 评论(0) 分类 万物简史

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(89) / 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(53) / 评论(0) 分类 英语新闻

The Richest, Fattest Nation on Earth (It's Not the United States) With maids, nannies, and cooks, many Qataris sit in their air-conditioned villas all day getting fatter and ignoring serious health problems Qatar is a tiny country with a big problem.

发表于:2019-02-18 / 阅读(50) / 评论(0) 分类 阅读空间

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(61) / 评论(0) 分类 阅读空间

A study by the National Bureau of Economic Research traced the professional activity of 5,000 men in Indonesia for seven years. 国家经济局在一项历时7年的研究中,追踪记录了印度尼西亚5000名男性的职业历程。 By the end,

发表于:2019-02-18 / 阅读(65) / 评论(0) 分类 英语新闻

Rosa Gutierrez Lopez was frightened when immigration officials told her she had to leave the United States by December 10, 2018. The 40-year-old undocumented immigrant from El Salvador had been living in the U.S. since 2005. She lived in northern Vir

发表于:2019-02-19 / 阅读(61) / 评论(0) 分类 2019年VOA慢速英语(二)月

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(98) / 评论(0) 分类 经济学人科技系列

More and more Americans are examining their own genetic information to find answers about health issues and family history. And more and more are also doing the same for their dogs. Genetic testing for dogs has increased in recent years. Several comp

发表于:2019-02-24 / 阅读(76) / 评论(0) 分类 2019年VOA慢速英语(二)月

Biotech patents 生物技术专利 Taking it personally 对人下药 A legal fight over a new generation of medicine 新一代药品的法律纠纷 DRUG research is in dark times, as pipelines dry up and development budgets are cut. But one shaft of

发表于:2019-02-24 / 阅读(85) / 评论(0) 分类 经济学人综合

It's a kind of genetic photocopying, and it became the basis for all subsequent genetic science, from academic studies to police forensic work. 这一种复制基因的方法后来成了遗传科学的基础,无论是对于学术研究,还是对于

发表于:2019-02-25 / 阅读(103) / 评论(0) 分类 万物简史

我们在总结近五年亚洲与北美托福考试语法部分试题的基础上,为同学总结出错误率在60%以下的易错难题汇编,希望大家能汲取常见错误原因,从而有效地跳开托福考试中的出题陷阱. 1.[Melti

发表于:2019-02-26 / 阅读(61) / 评论(0) 分类 托福英语

This is Scientific American 60-second Science, I'm Cynthia Graber. Got a minute? 这里是科学美国人60秒科学系列,我是辛西娅格雷伯。一分钟准备好了吗? For thousands of years, whats called the Silk Road was a group of land a

发表于:2019-03-04 / 阅读(103) / 评论(0) 分类 托福英语

只要一个人认同了他的个体性、接受他的恐惧、选择了目标、怀着希望奋勇前进,那么他就真正地战胜生活了。 With age comes experience and with experience comes knowledge and understanding. No one individual is

发表于:2019-03-10 / 阅读(152) / 评论(0) 分类 双语有声阅读