标签：embryos 相关文章
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
VOA双语新闻 2015年12月
After we had seen how relatively easy it was to change the switches in mouse embryos, we thought that perhaps the same could be true of human embryos. In IVF, you also have the embryo for a brief peri
基因外遗传现象
I can see the muscles that make up my face, my skull, and my own brain. So, now I can take you on that journey into my ear in a way that’s never been possible before. This time we can fly straight t
生命物语
The microscope. In their course of their professional work, scientists often take photos of microscopic objects. And often, the resulting images can be quite beautiful. For thirty years, Nikon, the camera company has held an annual competition to sel
万花筒2008年
Researchers Hunt for Clues about Parkinsons Disease This is SCIENCE IN THE NEWS, in VOA Special English. Im Faith Lapidus. And Im Bob Doughty. Today we tell about Parkinsons disease. We also report on treatments for the disease. Parkinsons is a disea
2013年VOA慢速英语(八)月
Not Now, Dr. Miracle Severino Antinori is a rich Italian doctor with a string of private fertility clinics to his name. He likes watching football and claims the Catholic faith. Yet the Vatican is no
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Section (C) Twins Six Years Apart Scientists in Scotland recently announced that, for the first time, they have cloned an exact copy ofan adult mammal. The cloned lamb, named Dolly, has the exact same genes as the adult sheep fromwhich she was cloned
新视野大学英语读写教程(3)
Cloning 1 Creates Human Embryos Scientists in South Korea and America report that they have created human embryos through cloning and extracted embryonic 2 stem cells 3 , the universal cells that hold
英语沙龙2004全年合辑上
Can Babies Be Designed? We hear a lot nowadays about designer babies. The idea that parents can choose the genes of their children sounds frightening. The question we have to answer is: how much can w
英语沙龙2004全年合辑上
Is Cloning the Future? 克隆一个你？ Saving lives has always been an important mission of science. Now science, and indeed all society, is facing a new dilemma:whether or not to try and save more lives through human cloning. The first cloning ex
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SCIENCE IN THE NEWS - Easier Way to Treat Malaria | Scientists Grow Human Brain Cells in Mice By Caty Weaver and Mario Ritter Broadcast: Tuesday, December 20, 2005 (MUSIC) VOICE ONE: This is SCIENCE I
科技之光
Scientists in Oregon successfully fixed a disease-carrying gene in human embryos. It was the first time this has been done. This small effort could be a big step in preventing inherited, or gene-related diseases. A research team at Oregon Health Scie
2017年VOA慢速英语(八)月
Scientists Grow First Fully Developed Human Eggs in Laboratory For the first time ever, scientists have succeeded in growing human eggs from the earliest stages to full maturity in a laboratory. 科学家们有史以来首次在实验室将人类卵子
2018年VOA慢速英语(二)月
By Paula Wolfson The focus in the U.S. presidential campaign shifted to taxes and science Monday, as new polls showed a tight race. Both President Bush and the Democratic Party presidential nominee Jo
VOA2004（下）--美国大选
By Paula Wolfson The U.S. presidential election campaign is focusing on just a few states where the race is extremely close. The two major party candidates are spending most of their time now in these
VOA2004（下）--美国大选
1. President Bush is slated to address the nation at 9 pm Eastern time Wednesday. On the agenda, his new approach for the war in Iraq which will reportedly include a surge of 20,000 US troops in the war-torn country. 2. Officials are probing the sou
美联社新闻一分钟2007
SCIENCE IN THE NEWS - A Drug to Protect Against Bird Flu Succeeds in First Tests By Rochelle Gollust,Jerilyn Watson Broadcast: Tuesday, August 16, 2005 (MUSIC) VOICE ONE: This is SCIENCE IN THE NEWS i
科技之光
AS IT IS 2014-10-13 Thailand Seeks to Ban Commercial Surrogacy 泰国试图禁止商业代孕 Thailand is campaigning against commercial surrogacy, one of the worlds most unregulated industries. In this industry, infertile foreign couples pay Thai wo
2014年VOA慢速英语(十)月
From NPR News in Washington, I'm Lakshmi Singh. It's been called a landmark moment in medical research. Scientists have cloned for the first time human embryos that can produce some cells opening the door for treatments of various diseases. But this
2013年NPR美国国家公共电台5月
In East China's Jiangsu province, a local court has rejected a request by four parents to inherit frozen embryos that were left behind by a couple who died in a car crash. Now for more on the issue, we are joined in the studio by Professor Hao Ran, d
CCTV9英语新闻2014年05月