单词:embryosacs
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News Spotlight POLITICS In a 1)rambling hour-long radio interview, Russian presidential candidate Ivan Rybkin suggested on Wednesday that for at least part of his five-day absence in Ukraine, he was h
The One With The Embryos -------------------------------------------------------------------------------- Written by: Jill Condon & Amy Toomin Transcribed by: Eric Aasen ------------------------------
Jackie: Welcome to BBC Learning English dot com and Insight Plus - a series first broadcast in 2001 that looks at the language of issues you hear about in the news. How far should science go to help the sick and the suffering? Today on Insight Plus,
Misconception. A stunning story especially for couples having trouble having kids. One Michigan couple learning that their frozen embryos were gone, implanted into another woman by mistake. They were understandably flooded by the news -- or floored b
This is Scientific American's 60-Second Science, I'm Cynthia Graber. This will just take a minute. It sounds like the title to a Rudyard Kipling tale: how the turtle got its shell. But its actually a question that has puzzled scientists. After all, n
President Obama says a preliminary agreement reached today with Russian President Dmitry Medvedev is an important step toward increasing nuclear security. We have signed a joint understanding for a follow-on treaty to the START agreement that will r
1. Larry Birkhead says DNA tests prove he is the father of Anna Nicole Smith's infant daughter. He emerged triumphant from a closed hearing in the Bahamas to announce the results. Dannielynn could inherit a fortune in the wake of her mother's death
If the human genome is the book of life, then Crispr technology is its Microsoft Word. The cut-and-paste technique, invented only three years ago, can be used on fledgling genomes to snip out bits of DNA and, if required, insert new stretches. 如果说
This is the VOA Special English Health Report. Bethesda, Maryland, near Washington, D.C., is home to the National Institutes of Health. N.I.H. calls itself the Nation's Medical Research Agency. But it supports research worldwide with its budget of a
Science Behind Penalty Kicks Claims Almost 100% Success 点球背后的科学带来几乎百罚百中策略 Deadlocked football matches often end in penalty kicks, most recently in Sundays World Cup match between Costa Rica and Greece. With penalty k
Hitler's 'Mein Kampf' Returns to Stores as Copyright Expires 由于版权到期,希特勒的《我的奋斗》将再次出版 Annotated reprints of Hitler's semi-autobiographical book Mein Kampf, or My Struggle, are going on sale in Germany and els
AILSA CHANG, HOST: Scientists recently made headlines when they announced they had figured out how to edit DNA in human embryos for the first time. This week, the scientists invited NPR health correspondent Rob Stein into their lab in Portland, Ore.,
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
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
A contraceptive pill that could be taken by men as well as women could be on the horizon. 一种男女通用的避孕药即将问世。 A breakthrough in the understanding of the biology of sperm could lead to a unisex version of the Pill, US governm
A 65-year-old Berlin woman who already has 13 children is pregnant again with quadruplets, Germany's RTL broadcaster reported on Sunday. 4月12日,据德国RTL电视台报道,柏林一名65岁的女性怀上了四胞胎,而此前她已经孕育了
Scientists say early experiments suggest it may one day be possible to make babies without using eggs. 科学家称,早期实验表明,将来某一天或许不需要卵子就能孕育出婴儿。 They have succeeded in creating healthy baby mice
Leaders 社论 Gene editing 基因编辑 The baby crisperer 婴儿保险盒 A Chinese scientist claims to have edited the genomes of two babies 中国科学家声称已成功编辑两名婴儿的基因 Humanity's power to control the four-letter code