世界首批试管狗宝宝成功诞生 Scientists at Cornell University have proudly presented the first litter of dogs successfully born through in vitro fertilization, or IVF. The breakthrough may help in combating inherited diseases that affect c

发表于:2018-12-02 / 阅读(83) / 评论(0) 分类 VOA双语新闻 2015年12月

Section 35 The Body Throughout the world, our bodies are different colors. Hair, eyes and skin may vary according to our genes. Other aspects of our body, thought, are roughly the same. Most of us can

发表于:2018-12-07 / 阅读(56) / 评论(0) 分类 英语导读1000句

Ketchup: An American Condiment with an Asian Connection At any given time, about 97 percent of American kitchens have a bottle of ketchup. American ketchup is made from red tomatoes, vinegar, salt, sugar and other ingredients. It has both a sweet and

发表于:2018-12-07 / 阅读(54) / 评论(0) 分类 2017年VOA慢速英语(八)月

By Nancy Steinbach Broadcast: October 1, 2003 This is Faith Lapidus with the VOA Special English Health Report. Scientists in Iceland say they have identified the first gene linked to common forms of

发表于:2018-12-15 / 阅读(92) / 评论(0) 分类 VOA2003(下)-环境与健康

Hi, I'm Carl Azuz. I'm 62, I have dark hair and brown eyes. No why, genes, this a little piece of code that determining the characteristicsof living things and all living things have them. But genes can be changed, they can be modified, that's how yo

发表于:2018-12-19 / 阅读(71) / 评论(0) 分类 CNN2013年(六)月

The survival strategies of some species can seem counter-intuitive to us until we examine them in detail. Let's take the example of bees, which die after stinging once, because the stinger tears out their insides. How can this self-destructive trait

发表于:2018-12-27 / 阅读(38) / 评论(0) 分类 英语时差8,16

I know that every cell in my body has a copy of my DNA packed into its nucleus. And I also know that if I could somehow unravel the DNA from a single cell, it would be about six feet long. So my question is, is DNA jammed into the nucleus in a sort o

发表于:2018-12-27 / 阅读(48) / 评论(0) 分类 英语时差8,16

I think the idea of genetic engineering is fascinating. Its also quite dangerous. Fiddling around with what makes us human might make us less human. We could end up creating a Frankensteins monster. The idea of genetic engineering has been around for

发表于:2018-12-28 / 阅读(101) / 评论(0) 分类 听一分钟英文-G

(LONDON,Reuters)One in every 100 white Britons is descended from an African or Asian,a study into DNA has found. (路透社伦敦电)一份针对DNA的研究发现,每一百位英国白人就有一位是非洲人或亚洲人的后裔。 The stu

发表于:2018-12-28 / 阅读(83) / 评论(0) 分类 赖世雄英语新闻听力通

Genetics and Environmental Factors in Creating Genius Dr. Howard Gardner of Harvard University believes that geniuses are largely made. He has banned television from his home because he fears it might ruin the minds of his family. He makes time every

发表于:2018-12-29 / 阅读(77) / 评论(0) 分类 新视野大学英语读写教程(4)

Erythromycin,红霉素 Azithromycin,阿奇霉素 Clarithromycin,克拉霉素 Fluoroquinolones and their derivatives (e.g. levofloxacin),多西环素(如:脱氧土霉素) Tetracyclines (e.g

发表于:2019-01-03 / 阅读(84) / 评论(0) 分类 医务英语

1. President Barack Obama and Republican Mitt Romney are doing some multi-state campaigning. Both candidates are stopping in the battleground state of Ohio. Obama is also stopping in Wisconsin and Iowa, while Romney is in Florida, Virginia and New Ha

发表于:2019-01-11 / 阅读(114) / 评论(0) 分类 美联社新闻一分钟2012(十一月)

This is the VOA Special English Agriculture Report. Cacao or cocoa trees grow in hot, rainy areas of Africa, Asia and Central and South America. Their beans are used to make cocoa powder, cocoa butter and of course chocolate. There are five to six mi

发表于:2019-01-12 / 阅读(80) / 评论(0) 分类 2010年VOA慢速英语(十)月

AS IT IS 2014-08-25 Scientists Developing Blood Test for PTSD Post-Traumatic Stress Disorder or PTSD is caused by a frightening event, either witnessed or experienced. Signs of the disorder may include depression, bad dreams and severe nervousness. T

发表于:2019-01-12 / 阅读(87) / 评论(0) 分类 2014年VOA慢速英语(八)月

主餐一道:泛听练习 以下段落是摘自新闻里的一些重要信息,并不是一个段落的听写。空内信息可在本新闻中全部找到,大家可以根据这些信息复述新闻。 一、泛听建议: 1、完整听一遍,掌握

发表于:2019-01-22 / 阅读(55) / 评论(0) 分类 NPR边听边练

今天我们要学的词是 orientation. Orientation 做为名词,有取向的意思。A new study comparing the DNA of gay and straight men suggests that sexual orientation is determined by genes. 一项新研究对同性和异性恋男子的基因进

发表于:2019-01-26 / 阅读(91) / 评论(0) 分类 英语单词荟萃

HEALTH REPORT - September 4, 2002: Melanoma Research By Nancy Steinbach (Photo - U.S. National Cancer Institute) This is the VOA Special English Health Report. Scientists have discovered a genetic cha

发表于:2019-01-29 / 阅读(87) / 评论(0) 分类 健康与环境

We might think perfect pitch is an innate talent. Well, a study in the American Journal of Human Genetics is providing some evidence for that. Perfect pitch, aka absolute pitch, is the rare ability to name or recreate musical notes like A or middle

发表于:2019-01-30 / 阅读(124) / 评论(0) 分类 60秒科学

A number of Chinese stars recently attended the 2017 annual VIVO NetEase Attitude Awards ceremony in Beijing. In this video, they reveal what they have been up to lately behind the scenes.

发表于:2019-02-14 / 阅读(72) / 评论(0) 分类 2017CRI中国国际广播电台

台湾籍旅美老师今天交给我们的句子是: But, statistically, most of us are hardwired to lean towards optimism. Known as the optimism Bias and found in around 80% of the population, we tend to overestimate the probability of positive ev

发表于:2019-03-05 / 阅读(87) / 评论(0) 分类 留美老师带你每日说英文