胚胎致死

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(160) / 评论(0) 分类 疯狂英语2002年

Modern Living The Seans' Caged House Sean (husband): When an architect designs a house for themselves and their family, they have to attempt to 1)accommodate those, needs of the family. That's that's

发表于:2018-11-28 / 阅读(148) / 评论(0) 分类 疯狂英语2004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(336) / 评论(0) 分类 历年考研英语阅读理解

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(72) / 评论(0) 分类 万花筒2006年

Little girls are made of sugar and spice and, according to a study published in the journal Cell, a fierce determination to maintain their girlishness. Because it seems that a single gene keeps their ovaries from turning into testes. Scientists have

发表于:2018-12-24 / 阅读(84) / 评论(0) 分类 Scientific American(十二)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(152) / 评论(0) 分类 英语讨论

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

发表于:2019-01-08 / 阅读(117) / 评论(0) 分类 CNN2010年(五)月

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(79) / 评论(0) 分类 英语新闻

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(97) / 评论(0) 分类 2017年NPR美国国家公共电台3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(90) / 评论(0) 分类 2017年NPR美国国家公共电台9月

Now have you sinned since our last broadcast? The Catholic church is worried people aren't taking sins seriously enough. So the Vatican has decided to update its list of the seven deadly sins. But whereas the focus of the traditional sins--LUST, GREE

发表于:2019-01-30 / 阅读(161) / 评论(0) 分类 英伦广角

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(154) / 评论(0) 分类 2006年VOA标准英语(七月)

By Cindy Saine Washington 16 April 2008 The U.S. Supreme Court has upheld the most common method of lethal injection used for executions by the federal government and 36 states. The unsuccessful constitutional challenge to the three-drug lethal injec

发表于:2019-01-31 / 阅读(76) / 评论(0) 分类 VOA常速英语2008年(四月)

20 top predictions for life 100 years from now Last week we asked readers for their predictions of life in 100 years time. Inspired by ten 100-year predictions made by American civil engineer John Elfreth Watkins in 1900, many of you wrote in with yo

发表于:2019-02-05 / 阅读(237) / 评论(0) 分类 阅读空间

Reporter: A universal two-child policy is expected to be passed by the top legislature by the end of the week as it concludes its latest bimonthly session on Sunday. The new rules would come into effect on January 1. Zhai Zhenwu, Head of the China Po

发表于:2019-02-06 / 阅读(68) / 评论(0) 分类 英语新闻

During the weekend, 2 couples and their families invited the media newspapers, TV and radio to interview them about embryo donation. The first couple had two teenage boys and the second couple had a 3-month old baby girl. Couple 1s 16 year old son wa

发表于:2019-02-06 / 阅读(94) / 评论(0) 分类 新西兰英语

Naw Kham, who was convicted of murdering 13 Chinese sailors on the Mekong River in 2011, was executed earlier this afternoon. The Myanmar drug lord and three of his accomplices, identified as Hsang Kham, Yi Lai,and Zha Xika, were given the lethal inj

发表于:2019-02-14 / 阅读(85) / 评论(0) 分类 英闻天下

Brave New World by Aldous Huxley Chapter Eight OUTSIDE, in the dust and among the garbage (there were four dogs now), Bernard and John were walking slowly up and down. So hard for me to realize, Bernard was saying, to reconstruct. As though we were l

发表于:2019-02-16 / 阅读(73) / 评论(0) 分类 有声英语文学名著

Oocyte cryopreservation, or egg freezing, is a procedure where a woman's ovum are removed, frozen and placed in long-term storage. When the woman is ready to become pregnant, the eggs can be thawed, fertilized and transferred into her uterus. The tec

发表于:2019-02-18 / 阅读(79) / 评论(0) 分类 英语新闻

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(78) / 评论(0) 分类 经济学人综合
学英语单词
area of error
asian american journalism association
bales discoloured
bewrites
bicomposite
bill chamber
brettell
build own operate transfer
byssa r.
cargoboat
Catherine, L.
cheese ... off
chlamydo-aleuria
clada fomosana
cohort effect
colour stimulus function
concert-goers
concurrent with discharge
covill
Creegh
damodar r.
dandiacal
Delta Air Lines, Inc.
diantimony trioxide
dog-child
drawing dimension
egomania
empirical chemistry
encapsulated winding
ercolania boodleae
fair-traded
fernshaw
flow-sensing unit
fuel ship
games room
ghazel
Green Economics
hardening of resin
hexagonal socket head plug
hull borne speed
hydrogeological investigation
IMSS
indefinite payment
inshore patrol
invers
iswas
jolly-boat
JTAV
Lauxite
law of parallel solenoids
leather gloves
macrophoma quercicola togashi
marginal waters
medium analysis fertilizer
meliority
micheliss
midsagittally
negation by failure
nitromete
oncopagurus monstrosus
organifications
oxidation-resistant
parallel holes
percentage of braiding coverage
periodical docking
petrail
placidest
plate cut-off current
port of destination
pre-imagined
prettifier
puerto bello (portobelo)
quasi equality
right-clicking
ringland
ripening process
running liquid culture experiment
Salvia plebeia R. Br.
scrophularia
ship license
soede
solitary carcinogen
spoligotype
stoker fired grate
storebrands
Stratford-on-Slaney
subsonic launch
suedeheads
Syndiclis
telephone kiosks
tena koe
the Keeper of the Exchange and Mint
thinning from below
three-piece slacks set
tows
triophosphoramide
unfolds
Viburnum brevitubum
viverriculla indica
wastewater recycle system
weft thread
wheel-mounted planter