标签：DNA 相关文章

美国有线新闻 CNN 美炸弹包裹案被列为国内恐怖主义 警方正在寻找嫌犯指纹和DNA

Up and down America's eastern seaboard a manhunt is going on and that's our first story this Friday on CNN 10. The names of prominent Democrats, an actor and director and a former CIA director were written on packages that looked like they contained

发表于:2018-12-08 / 阅读(67) / 评论(0) 分类 CNN美国有线新闻2018年11月

英语听力文摘 English Digest 608、大自然中的DNA交易

Wouldnt it be great if we could trade genes with other species? For example, suppose you could trade the family cat your genes for intelligence for its genes for physical coordination! Well, okay, thats not likely to happen anytime soon. But DNA trad

发表于:2018-12-31 / 阅读(65) / 评论(0) 分类 英语听力文摘 English Digest

2007年VOA标准英语-BBC Director, Family Appeal for Return of Kidna

By Sonja Pace London 12 April 2007 The director of the British Broadcasting Corporation and the family of BBC correspondent Alan Johnston are appealing Thursday for the journalist's release. Johnston went missing in Gaza one month ago and is presumed

发表于:2019-01-05 / 阅读(107) / 评论(0) 分类 2007年VOA标准英语（四月）

2006年NPR美国国家公共电台二月-African-American Identity: More than DNA

Running a series called African American Lives. Its hosted by historian Henry Lewis Gates, and profiles prominent African Americans who trace their lineage back to Africa using DNA analysis. Commentator John McWhorter says he doesn't need a DNA mout

发表于:2019-01-07 / 阅读(187) / 评论(0) 分类 2006年NPR美国国家公共电台

万花筒 2012-08-30&09-01 美国街头出现“谁是你老爸”移动DNA亲子鉴定车

You might get tickets going to a clinic to get a DNA test or going on a daytime talk show. But now in New York City, you can just walk up to an RV called 揥ho抯 your daddy?truck to get your DNA analyzed. Eyewitness reporter Carolina Leid has more o

发表于:2019-01-07 / 阅读(57) / 评论(0) 分类 万花筒2012年

2006年VOA标准英语-Genealogical Studies Being Aided by DNA Tests

By Greg Flakus Houston, Texas 24 November 2006 watch DNA report Millions of people around the world can trace their ancestry back several generations or more through oral history, family documents or government records of such events as marriages an

发表于:2019-01-12 / 阅读(129) / 评论(0) 分类 2006年VOA标准英语（十一月)

VOA标准英语2009-DNA Results Give New Hope for 'Extinct' Siam

A proposed breeding program for the critically endangered Siamese crocodile received a significant boost this month with the news that 35 crocodiles at a wildlife rescue center in Cambodia are purebred Siamese. Robert Carmichael | Phnom Penh 20 Nove

发表于:2019-01-14 / 阅读(62) / 评论(0) 分类 VOA标准英语2009年(十一月)

VOA标准英语2009年-Scientists Use DNA to Trace Illegal Elepha

Scientists are using DNA to trace illegal ivory from slaughtered elephants to its countries of origin in an effort to nab poachers. Researchers are trying to combat the multi-billion dollar criminal enterprise at its source. A poached elephant Since

发表于:2019-01-14 / 阅读(71) / 评论(0) 分类 VOA标准英语2009年(七月)

VOA常速英语2015--用DNA测试确定大象盗猎地点

用DNA测试确定大象盗猎地点 Theres a new weapon in the fight to stop elephant poaching: genetics. DNA testing, which is frequently used to solve crimes, has pinpointed where most of Africas elephants are being slaughtered. 现在有了对付大

发表于:2019-01-14 / 阅读(78) / 评论(0) 分类 VOA标准英语2015年(十二月)

美国国家公共电台 NPR Editing Embryo DNA Yields Clues About Early Human Development

ARI SHAPIRO, HOST: For the first time, scientists have altered the DNA in human embryos to make a fundamental discovery about early human development. Scientists say this proves that modifying genes and human embryos can reveal powerful insights into

发表于:2019-01-16 / 阅读(63) / 评论(0) 分类 2017年NPR美国国家公共电台9月

美国国家公共电台 NPR Breaking Taboo, Swedish Scientist Seeks To Edit DNA Of Healthy Human Embryos

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

发表于:2019-01-16 / 阅读(61) / 评论(0) 分类 2016年NPR美国国家公共电台9月

科学美国人60秒 SSS Protein Test Could Complement Crime Scene DNA Analysis

DNA analysis is a staple of crime scenesand crime shows, like HBO's The Night of or the old standby, CSI: We just need to get this to the DNA lab, confirm it's the victim's blood. And then, case closed. And it's not just for crime: DNA sequencing als

发表于:2019-01-20 / 阅读(116) / 评论(0) 分类 2016年Scientific American(九)月

VOA标准英语2008年-DNA Tests ID Russian Czar's Children

DNA tests have positively identified the remains of two children of the last Russian czar, settling a mystery that had long surrounded their fate. VOA Moscow Correspondent Peter Fedynsky reports the memory of the murdered czarist family is still hon

发表于:2019-02-03 / 阅读(75) / 评论(0) 分类 VOA标准英语2008年（七月）

2006年VOA标准英语-Four Oil Workers Seized in Latest Nigeria Kidna

By Gilbert da Costa Abuja 14 August 2006 Militant patrols creeks of the Niger Delta area of Nigeria (File photo) Armed men seized four foreign oil workers Sunday in the latest kidnapping in the oil-rich Niger Delta. It was the fifth kidnapping in th

发表于:2019-02-04 / 阅读(135) / 评论(0) 分类 2006年VOA标准英语（八月）

2007年VOA标准英语-Scientists Find DNA That Determines Dog Size

By David McAlary Washington 05 April 2007 Scientists have discovered a genetic reason why some dogs are small and others big. They say the finding has implications beyond canine size, since the work applies to the study of other complex genetic trait

发表于:2019-02-05 / 阅读(105) / 评论(0) 分类 2007年VOA标准英语（四月）

英语听力文摘 English Digest 223、DNA帮助捕获偷猎者

DNA Helps Catch Poachers 科学家们利用一种革命性的基因技术成功确定了走私犯屠宰大象的非洲地区，这些大象沦为全世界非法象牙贸易的受害者。利用非洲大象的DNA图谱，他们已发现最近缉获的象

发表于:2019-02-24 / 阅读(64) / 评论(0) 分类 英语听力文摘 English Digest
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