标签：embryo 相关文章
We are back turning now to southern California, where a woman this week gave birth to eight children. And as the novelty of the initial news subsides, there are now some rather tough questions being asked. As with many health care issues these days,
万花筒2009年
试管狗崽挽救濒危品种 These playful puppies are part of litter of seven, born July 10, out of 19 embryos implanted in the same female dog. Five are beagles and two are beagle-cocker spaniel mixes. 7月10日，一窝狗崽出生，研究人员将
VOA标准英语2016年(二月)
A: Hello，Personal Banking. How may I help you? 您好，这里是个人银行业务部。如何为您效劳？ B: Hi there. I'm calling about Personal Internet Banking，what details can you give me? 你好。我打电话来是想问一下关于个人
银行英语情景口语
Hyaluronic acid - the largest glycosaminoglycan known, it plays an important role of restricting the flow of water in tissues, particularly in synovial fluid where it acts as a lubricant.. Hydrogen bo
医务英语
News, news, the heck with news, let's go outdoors, Alaska, which really is the great outdoors, but getting cold these days, the birds migrating to the lower 48, and that's why producer Martyn Stewart went in June, he was going to record birds. He set
2006年NPR美国国家公共电台
By Peter Fedynsky Washington, D.C. 30 October 2006 watch Stem Cell report Controversy over specific political issues can spawn yet more controversy involving the way those issues are debated. As VOA's Peter Fedynsky reports, a statement by a well-kn
2006年VOA标准英语（十月）
By Tom Rivers London 19 May 2008 British lawmakers voted Monday to allow the use of animal-human hybrid embryos in stem cell research. These new embryos will be created in labs injecting empty animal eggs with human genetic material. For VOA, Tom Riv
VOA标准英语2008年（五月）
By Phil Mercer Sydney 21 May 2008 Australian and U.S. scientists have successfully inserted a gene from the extinct Tasmanian tiger into a mouse embryo. They say the result has been bone and cartilage from the extinct marsupial developing inside the
VOA标准英语2008年（五月）
Medical experts in Miami are hoping to speed up research using embryonic stem cells. Their work may lead to advances in treatment for spinal cord injuries, Alzheimer's disease and other illnesses. President Barack Obama signs an Executive Order on s
VOA标准英语2009年(三月)
Test Tube Pups May Help Rescue Endangered Species 试管小狗的成功可拯救濒临灭绝动物 Scientists at Cornell University have proudly presented the first litter of dogs successfully born through in vitro fertilization, or IVF. The breakthr
VOA标准英语2015年(十二月)
GUY RAZ, HOST: OK. So Juan Enriquez is saying that this is all superpromising and exciting, and we could actually eliminate disease. And we could create... PAUL KNOEPFLER: Right. RAZ: ...You know, future humans who are immune from these horrible affl
2017年NPR美国国家公共电台9月
Breaking Taboo, Swedish Scientist Seeks To Edit DNA Of Healthy Human Embryos play pause stop mute unmute max volume 00:0004:12repeat repeat off Update Required To play the media you will need to either update your browser to a recent version or updat
2016年NPR美国国家公共电台9月
AUDIE CORNISH, HOST: What if scientists could genetically modify mosquitoes to wipe out a disease that kills hundreds of thousands of people each year? They're trying to do that with a new genetic engineering technique. They hope it will help them fi
2016年NPR美国国家公共电台12月
The Chimera Quandary: Is It Ethical To Create Hybrid Embryos? RAY SUAREZ, HOST: Now it's time for our regular feature Words You'll Hear, where we try to understand what's happening in the news by parsing some of the words associated with it. This wee
2016年NPR美国国家公共电台8月
By Carol Pearson Washington 17 December 2007 2007 was a year notable for breakthroughs in medicine. VOA's Carol Pearson looks back at some of the top medical stories of the year. One of the most promising developments in health in 2007 was the disco
VOA常速英语2007年（十二月）
Its reputation for violence and terror is unmatched, but an infant T-Rex comes into the world better protected than most. If you say Tyrannosaurus Rex, I think of gentleness. I think of superb motherhood and a struggle to raise ones chicks. The dread
探索与发现2013年
By VOA News 20 November 2007 Two separate teams of scientists say they have transformed ordinary human skin cells into ones that look and act like embryonic stem cells. Laboratory teams at universities in the United States and Japan Tuesday announced
VOA常速英语2007年（十一月）
By Carol Pearson Washington, DC 17 January 2007 watch Uterus Transplant report A New York hospital is taking initial steps to offer the first uterus transplant in the United States. Doctors in Saudi Arabia performed the procedure a few years ago but
2007年VOA标准英语（一月）
U.S. President Barack Obama has lifted restrictions on federal funding for medical research using human embryonic stem cells. Mr. Obama says it is part of a broader effort to limit political interference in science. 美国总统奥巴马解除对用政
VOA双语新闻 2009年3月
When you go to the pet store to pick out a new puppy, one of the first questions you may be asked is whether you want a male or a female. And when your friends have a new baby the first thing you find out is whether its a boy or a girl. We may be fam
英语时差8，16