人胚纤维母细胞

There’s a news poll out tonight on another major controversy: human cloning. When asked whether scientists should be able to clone human, 85% said no, 11% said yes. Congress is working on legislatio

发表于:2018-11-28 / 阅读(255) / 评论(0) 分类 疯狂英语2002年

[00:00.00]在线英语听力室( www.tingroom.com )友情制作 [00:03.81]1999 Passage4 [00:07.51]When a Scottish research team startled the world [00:10.54]by revealing 3 months ago [00:12.61]that it had cloned an adult sheep, [00:14.94]President Clinton move

发表于:2018-12-01 / 阅读(433) / 评论(0) 分类 历年考研英语阅读理解

I can see the muscles that make up my face, my skull, and my own brain. So, now I can take you on that journey into my ear in a way that’s never been possible before. This time we can fly straight t

发表于:2018-12-07 / 阅读(144) / 评论(0) 分类 生命物语

Imagine being able to override Mother Nature and hand-pick the physical appearance and intellectual traits of your unborn child. Well, thanks to modern science, what may seem far-fetched now could be

发表于:2018-12-11 / 阅读(123) / 评论(0) 分类 万花筒2006年

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

发表于:2018-12-17 / 阅读(99) / 评论(0) 分类 2018年VOA慢速英语(八)月

Is Cloning the Future? Saving lives has always been an important mission of science. Now science, and indeed all society, is facing a new dilemma:whether or not to try and save more lives through huma

发表于:2018-12-31 / 阅读(162) / 评论(0) 分类 有声英文阅读

HEALTH REPORT - Scientists Develop Stem Cells Without Loss of EmbryosBy Caty Weaver Broadcast: Wednesday, August 30, 2006 This is the VOA Special English Health Report. Researchers say they have found

发表于:2019-01-02 / 阅读(117) / 评论(0) 分类 2006年慢速英语(八)月

Millions of years ago, the embryo of a distant ancestor of ours would have shared with us many of these features. As well as giving rise to us, it gave rise to all sorts of other creatures. And in tho

发表于:2019-01-02 / 阅读(234) / 评论(0) 分类 生命物语

SCIENCE IN THE NEWS - Cloning in South Korea / Ancient Insect / Preeclampsia Research By Broadcast: Tuesday, March 09, 2004 (THEME) VOICE ONE: This is Science in the News, in VOA Special English. I'm

发表于:2019-01-02 / 阅读(209) / 评论(0) 分类 科技之光

Scientists in Oregon successfully fixed a disease-carrying gene in human embryos. It was the first time this has been done. This small effort could be a big step in preventing inherited, or gene-related diseases. A research team at Oregon Health Scie

发表于:2019-01-02 / 阅读(129) / 评论(0) 分类 2017年VOA慢速英语(八)月

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,

发表于:2019-01-07 / 阅读(220) / 评论(0) 分类 英语讨论

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

发表于:2019-01-08 / 阅读(137) / 评论(0) 分类 英语新闻

VOICE ONE: This is SCIENCE IN THE NEWS in VOA Special English. I'm Steve Ember. VOICE TWO: File photo of embryonic stem cells in a laboratory dish And I'm Pat Bodnar. This week, we will tell about efforts to make what appear to be embryonic stem cel

发表于:2019-01-11 / 阅读(219) / 评论(0) 分类 VOA慢速英语2007年(十二)月

RACHEL MARTIN, HOST: Scientists doing embryo research are facing some sensitive questions over a new generation of scientific experiments, questions like how long should scientists be allowed to keep human embryos alive in their labs to study them? A

发表于:2019-01-16 / 阅读(155) / 评论(0) 分类 2017年NPR美国国家公共电台3月

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.,

发表于:2019-01-16 / 阅读(189) / 评论(0) 分类 2017年NPR美国国家公共电台8月

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(149) / 评论(0) 分类 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

发表于:2019-01-16 / 阅读(124) / 评论(0) 分类 2016年NPR美国国家公共电台9月

By Deborah Tate Washington 17 July 2006 The U.S. Senate Tuesday is expected to approve federal funding for expanded embryonic stem cell research, despite a veto threat from President Bush who opposes the idea on moral grounds. -------- On the eve of

发表于:2019-01-31 / 阅读(242) / 评论(0) 分类 2006年VOA标准英语(七月)

近日,《科学》杂志在线报道称,剑桥大学的科学家们通过使用两种干细胞以及一个三维支架,成功地创造出了一个能够自行组装的结构,其发育和构造非常接近自然的小鼠胚胎。科学家的研

发表于:2019-02-01 / 阅读(106) / 评论(0) 分类 阅读空间

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

发表于:2019-02-25 / 阅读(119) / 评论(0) 分类 经济学人综合
学英语单词
agromicroclimate
aiming stake
air setting binder
anhydroformaldehydeaniline
argue over
aromatizers
artabotrine
B8ZS
Bassenheim
bitter cucumber
cellular angiofibroma
Centronellidina
cerium thermic reducer
ciomag
concentrated logarithmic likelihood function
constant-horsepower drive
derived dyad
diethylhydroxylamine
diopside-granitite
dissemination of radioactive effluent
doping shot
doubling-up method
driftnet shaker
elemento
external fixator
extrapolated value
fraxinus mandshurica rupr.var.japonica max.
Frévent
gai choi
gas stay time
gliofibrillary
Gogui
good name
gumbe
gutbuster
have a walk
heat sensitivity
helioses
isonitrosoacetanilide
jacquerie
judicial rules
Juttah
late-in
limnography
luster cloth
majorss
malayensis
mantrip
mark signal
megascopes
mmjb
Morse conical reamer
national record
Nikitari
non-policies
over-the-shoulder bombing
parallel jack
parent child relations questionnaire
pheophorbide
post-meiotic division
private sectors
prostatic abscess
pseudo elliptic integral
quasi automatic traffic service
rank of an element
rashies
recreo
reflexive text
render back
rennet powder
rubberfile
Sachsenburg-Georgenthal
saddle point game
Sayre's splint
schollmeier
Scutellaria amonena Wight
shireen
skin forceps
slow powder
sod-all
sokal
spray machine
superimposed coding
Syms's tractor
test of overturning immunity
testing regulations
the holy grail
top-liner
toynbees
tube bank
underexposure region
unified atomic mass constant
unopposed petition
vacation-home
Varanasi
vertical illumination
vertical saturation
vodianova
wall clamp
weapon system evaluation