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Facing a rebellion from fellow House Republicans over his debt ceiling plan, Speaker of the House John Boehner took a hard line today, trying to drum up more support. NPR's David Welna reports Boehner postponed a House vote on his plan until tomorrow
Since the 1980s, millions of American women have used fertility treatments, including the implantation of embryos, to become pregnant. But the process is expensive, averaging $12,000. Earlier this month, Reveal, part of the Center for Investigative R
14 A Rare Fossil Record The preservation of embryos and juveniles is a rate occurrence in the fossil record. The tiny, delicate skeletons are usually scattered by scavengers or destroyed by weathering before they can be fossilized. Ichthyosaurs had a
SCIENCE IN THE NEWS -January 8, 2002: Top stories of 2001 By Nancy Steinbach VOICE ONE: This is Bob Doughty. VOICE TWO: And this is Doug Johnson with the Special English program SCIENCE IN THE NEWS. T
Scientists Come Closer to Creating Laboratory Embryos An international team of scientists says it has moved a step closer to creating artificial embryos. The team used stem cells from mice. Stem cells are simple cells that can develop into other kind
Task3: The First Cloned Cat Script In the age-old battle of cats and dogs, score one for the cats. Researchers at Texas AM University recently announced that they have successfully cloned a cat name Rainbowthe first pet ever clonedafter several years
He became rather technical; spoke of the abnormal endocrine co-ordination which made men grow so slowly; postulated a germinal mutation to account for it. 他相当专门化地谈起了使人生长迟缓的内分泌失调问题,并提出萌芽期突变
The spidery steel-work of gallery above gallery faded away in all directions into the dark. 一层层蜘蛛网样的钢架长廊从各个方面往黑暗里模糊了去。 Near them three red ghosts were busily unloading demijohns from a moving stairc
Next to the Liners stood the Matriculators. 生产线工人旁边是收纳员。 The procession advanced; one by one the eggs were transferred from their test-tubes to the larger containers; 流水线继续前进;卵子一个个从试管转入更大的
Hi, there, it is so good to see you today, from the CNN Center in Atlanta, I'm Virginia Cha. I wanna thank you for joining us, here is a look at what's happening NOW IN THE NEWS. By executive order, President Obama is expected to end restrictions on
Hi, everyone, Im Asieh Namdar at the CNN.com newsroom in Atlanta. Here is a look at whats happening NOW IN THE NEWS. 3.3 million jobs have been cut over the last 6 months. Thats after the latest round of unemployment numbers which show 651,000 peopl
不少准妈妈们都为宝宝做过三维或四维彩超,并给宝宝们拍下人生中的第一张照片。而试管宝宝们如今更可以拥有自己胚胎细胞时期的珍贵影像,这就是细胞拍。 It is the latest trend in baby pictu
SCIENCE IN THE NEWS - U.S. Scientists Find a Way to Create Embryonic Stem Cells With Adult Skin Cells By Cynthia Kirk, Nancy Steinbach, and Caty Weaver Broadcast: Tuesday, August 30, 2005 (MUSIC) VOIC
Science 2018: Gene Editing, Private Space Travel Top List Here are some of the most popular science stories on the VOA Learning English website in 2018. Gene-edited babies announced A Chinese researcher reported last month that he helped to make the
Science and Technology Palaeontology Do the locomotion 科技 古生物学 活动活动 The earliest animal tracks yet found have been unearthed in Canada 在加拿大出土了迄今为止发现的最早动物足迹 ONE of the greatest mysteries of t
They entered. The air seemed hot and somehow breathless with the scent of ambergris and sandalwood. 两人进了场。龙涎香和檀香的气味不知道怎么使空气似乎又热又闷。 On the domed ceiling of the hall, the colour organ had mome
He had often seen it before. When you're bigger, she had said, you can read it. Well, now he was big enough. 那书他以前常看见。你长大以后,她说,就可以读了。好了,现在他长大了。 He was proud. I'm afraid you won't fin
THE HANDS of all the four thousand electric clocks in all the Bloomsbury Centre's four thousand rooms marked twenty-seven minutes past two. 布鲁姆斯贝里中心,四千个房间里的四千座电钟的指针都指着两点二十七分。 This hi
Hello, I'm Jerry Smit with the BBC news. Donald Trumps only remaining rival for the Republican Party presidential nomination John Kasich has confirmed his withdrawal from the race. Mr. Kasich,the governor of Ohio, made the announcement at an emotiona
Science and technology 科学技术 The 2012 Nobel prizes 诺贝尔生理学奖 Good eggs 再生医学界的大好人 THIS year's Nobel physiology prize goes to Sir John Gurdon and Shinya Yamanaka for a crucial discovery in stem-cell science?how to m