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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

试管婴儿有风险吗？

In the 24 years since the birth of Louise Brown，the world's first test－tube baby，thousands of would－be parents have been assure that as far as scientists knew there was no extra risk of genetic damage associated with in－vitro fertilization，

VOA慢速英语2018 中国科学家称:首例基因编辑婴儿诞生

Chinese Scientist Claims First Gene Edited Babies A Chinese scientist claims he successfully created the worlds first genetically-edited babies. 中国一位科学家称，他成功创造出全球首例经过基因编辑的婴儿。 Chinese researche

2006年VOA标准英语-Choosing a Baby's Sex Becomes More Accessi

By Carol Pearson Washington, D.C. 30 March 2006 watch Gender Controversy report This week a doctor in India was sentenced to two years in jail for testing the sex of an unborn child and then agreeing

VOA常速英语2015--试管狗崽挽救濒危品种

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

新视野大学英语 读写教程第三册 unit8-b

Section(B)Who Will Take Advantage of Human Cloning? Last week's news that scientists had cloned a sheep sent academics and the public into a panic at theprospect that humans might be next. That's an understandable reaction. Cloning is a radical chall

英语听力文摘 English Digest 565、什么是儿童早衰症？

What Is Progeria? Progeria was first described in the nineteenth century. The mysterious disease is often thought of as premature aging. Children with progeria are normal for their first year of life, but then develop medical problems normally seen i

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TBBT101-1生活大爆炸之精子银行（1） Sheldon: So if a photon is directed through a plane with two slits in it and either slit is observed it will not go through both slits. If its unobserved it will, however, if its observed after its left

SSS 2008-02-01

This is Scientific Americans' 60-Second Science. I am Cynthia Graber. This'll just take a minute. Air pollution is bad for our health, but scientists say we don't know much about the long-term effects. So researchers in Canada and the Netherlands dec

VOA慢速英语-Health Report - New Findings on Children and Mental

This the VOA Special English Health Report. People who are schizophrenic sometimes hear voices or see things that are not real. They might believe other people want to hurt them. They can become fearful and socially withdrawn. Schizophrenia is expla

VOA标准英语2010年-New Life for Vanishing Species

New technologies aid in conservation efforts at the National Zoo Susan Logue Koster | Front Royal, Virginia 19 July 2010 The National Zoo opened a cheetah science facility in 2007 at its conservation center in Front Royal, VA. Cheetahs are considered

[科学美国人60秒] SSS 2015-12-04

Just below the Arctic Circle in northern Sweden sits a town called ?verkalix. Its home to only about a thousand people. But those inhabitants were the subject of a seminal study in human genetics. The research suggests it that what our parents, or ev

【英语时差8，16】男性生物钟

Tick-tock, tick-tock. Is that your biological clock? And if it is, are you female? Most people think biological clocks are strictly female phenomena, with infertility and the risk of certain diseases going up with a mother's age. But the biological c

【文摘】男性生物钟

Tick-tock, tick-tock. Is that your biological clock? And if it is, are you female? Most people think biological clocks are strictly female phenomena, with infertility and the risk of certain diseases

DEVELOPMENT REPORT - Infertility in the Developing World

DEVELOPMENT REPORT - Infertility in the Developing World By Jill Moss Broadcast: Monday, March 22, 2004 This is Bob Doughty with the VOA Special English Development Report. A man and a woman are consi

2006年VOA标准英语-Study: Older Fathers More Likely to Have Autist

By Carol Pearson Washington, DC 13 September 2006 watch Older Father report Studies show older mothers are more likely to have children with Down Syndrome and other abnormalities. Now new research suggests children of older fathers are also at risk

Concerns arise over sperm donors

Beijing, Sept. 6 (Xinhua) -- A sperm donation scandal disclosed recently has aroused growing concern in the United States. According to the New York Times' report, Ryan Kramer, the son of a donor, found that he has more than 150 half-siblings - they

研究称吸烟可能降低男性精子质量

Everyone knows that a woman who smokes and plans to become pregnant should stop smoking. A new study suggests that the future father should quit, too. 人人都知道，吸烟的女性如果计划怀孕，就应该戒烟。一项新研究表明，计划

世界上首只试管企鹅诞生 暂命名为"184"

A baby bird in California has made history after becoming the worlds first penguin to be conceived using artificial insemination. The unnamed female Magellanic penguin was hatched in May at SeaWorld California after sperm was frozen and then thawed.

经济学人:基因编辑技术的应用、争议和未来(2)

Nor did the procedure fulfil any unmet medical need. 此程序也未能满足任何未知医疗需求。 For the child whose genome was edited to confer resistance, the claimed benefit is protection from a virus that she may never encounter 对于为产