潜科学

Health nbsp; Economics The big story for Washington for 2002 is going to be the November elections. And while that’s a long way off for the rest of the country, it’s very much on politicians- mind

发表于:2018-11-28 / 阅读(248) / 评论(0) 分类 疯狂英语2002年

Christopher Reeve: A True Superman Christopher Reeve, the cinematic 1 Superman who became a real-life inspiration for people with spinal 2 injuries through his painstaking struggle to overcome total p

发表于:2018-12-05 / 阅读(351) / 评论(0) 分类 英语沙龙2004全年合辑下

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

发表于:2018-12-07 / 阅读(164) / 评论(0) 分类 科技之光

Agricultural officials say they think an organic farm in northern Germany was the source of the deadly E. coli outbreak that has sickened more than 2,000 people in Europe. Twenty-two people have died. Investigators traced the bacteria to beansprouts

发表于:2018-12-17 / 阅读(188) / 评论(0) 分类 2011年NPR美国国家公共电台6月

In a landmark development within stem cell research, scientists say theyve used a cloning technique to make embryonic stem cells that match a patients DNA. The journal Nature highlights a study that shows the potential for using the technology to rep

发表于:2018-12-17 / 阅读(321) / 评论(0) 分类 2011年NPR美国国家公共电台10月

HEALTH REPORT - Gene Therapy Used to Treat Cancer | Stem Cell Study Leads to Criticism, QuestionsBy VOA Staffs Broadcast: Wednesday, September 06, 2006 This is the VOA Special English Health Report. A

发表于:2019-01-02 / 阅读(226) / 评论(0) 分类 2006年慢速英语(九)月

SCIENCE REPORT — March 27, 2002: New Stem Cell Study By Mario Ritter This is the VOA Special English SCIENCE REPORT. Researchers at an American medical center say special stem cells in normal human

发表于:2019-01-02 / 阅读(223) / 评论(0) 分类 科技之光

SCIENCE IN THE NEWS - As Butterflies Head South to Mexico, Humans Fly Along By Caty Weaver, Jill Moss and George Grow Broadcast: Tuesday, October 04, 2005 (MUSIC) VOICE ONE: This is SCIENCE IN THE NEW

发表于:2019-01-02 / 阅读(155) / 评论(0) 分类 科技之光

This is Scientific American's 60-Second Science. I'm Steve Mirsky. Got a minute? One of the dreams of biomedical scientists is to be able to transform adult cells into other kinds of cells. And thus avoid some of the ethical concerns of working with

发表于:2019-01-08 / 阅读(223) / 评论(0) 分类 Scientific American(十一)月

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

发表于:2019-01-08 / 阅读(185) / 评论(0) 分类 2009年NPR美国国家公共电台7月

HEALTH REPORT - New Embryonic Stem Cell Lines Developed for Researchers By Paul Thompson Broadcast: Wednesday, August 11, 2004 This is Gwen Outen with the VOA Special English Health Report. Researcher

发表于:2019-01-08 / 阅读(196) / 评论(0) 分类 健康与经济

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

发表于:2019-01-11 / 阅读(190) / 评论(0) 分类 科技之光

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

发表于:2019-01-11 / 阅读(176) / 评论(0) 分类 VOA慢速英语2008年(十一)月

AS IT IS 2015-11-02 Can Fish Teach Humans to Regrow Teeth? 人类能学习鱼类的牙齿再生术么? Most people are born with two sets of teeth. They use baby teeth to break down food as children. As they become adults, the baby teeth are replaced

发表于:2019-01-12 / 阅读(157) / 评论(0) 分类 2015年VOA慢速英语(十一)月

By Ted Landphair Washington 26 July 2007 For a second time in a year, President Bush has vetoed a bill that would have sanctioned federally funded stem cell research using human embryos. His stance reflects conservatives' view that destroying life to

发表于:2019-01-12 / 阅读(214) / 评论(0) 分类 2007年VOA标准英语(七月)

An end to grey hair and crows-feet could be just 10 years away after scientists showed 科学家发现,动物的衰老过程有可能逆转。 it is possible to reverse ageing in animals. 从此以后,可能仅需10年,人类就可以告别白发

发表于:2019-02-01 / 阅读(195) / 评论(0) 分类 趣味英语

U.S. President Barack Obama has lifted restrictions on federal funding for medical research using human embryonic stem cells. Mr. Obama says it is part of a broader effort to limit political interference in science. President Barack Obama signs an E

发表于:2019-02-03 / 阅读(151) / 评论(0) 分类 VOA标准英语2009年(三月)

Finding a Healthier Lifestyle - Committing to Change Everyone wants to live a healthier lifestyle and everyone wants to look better in their swimsuit. However, many people don't know where to begin or what questions to ask. Six months ago I was in th

发表于:2019-02-08 / 阅读(281) / 评论(0) 分类 阅读空间

U.S. President Barack Obama has lifted restrictions on federal funding for medical research using human embryonic stem cells. Mr. Obama says it is part of a broader effort to limit political interference in science. 美国总统奥巴马解除对用政

发表于:2019-02-14 / 阅读(133) / 评论(0) 分类 VOA双语新闻 2009年3月

WASHINGTON, April 16 (Xinhua) -- Researchers at the University of Colorado (CU) have found that lack of a specific gene interrupts neural tube closure, a condition that can cause death or paralysis. The study was the cover story this week in the jour

发表于:2019-02-18 / 阅读(199) / 评论(0) 分类 英语新闻
学英语单词
a good word
a string galvanometer
acid-proofing mortar
agglomerate weigh hopper
alapas
alvarezsaurs
anncr.
anomalies
Anuska
atomic airburst
boardmanship
bonded stationary phase
byelki (belki)
chilean nitrate
commutation coil
computerized testing
cone bearing test
core of rope
crystal body
culus
Czochralski
dephlegmating column
dezh
diacks
disc bowl clarifier
Djaul I.
electroballistics
emmisivity
Endocladia
english name
fibre-optic rod coupler
fluorine refrigerant
follicular epithelial cells
French mixture
fully loaded voyage
glid
grife
inadequate address
inconceivabilities
indefeasible
inferior oblique
intercrural
Juncus pauciflorus
Kefalovryssion
kok-saghyz, kok-sagyz
low-pressure combination of gases
Ma Ying-jeou
magnetic pulsator
marine navigation expert system
melanitic
metacarpal bones i-v
mode, command
mojahedin
Muarakelingi
N-ethylacetamide
negative-raising
nicandras
ochodaeus interruptus interruptus
oil stripper
olivardia
Oscar Wilde
Panther Hunter
pentosidase
pessar
phase velocity filtering
pick ... out
pitch to diameter ratio
poloni
postal guide number
posterior mesenteric vein
prazccillin
proximal interphalangeal joint
quartz-trachyte
quick return mirror device
radio remote control
rank detector
relief pressure valve
rhodium(iii) hydrogen sulfate
Roscoea yunnanensis
ruination
salutatory orations
scrapier
shock vibration
sickle cell anemia
sodium hydracrylate
spanish guineas
stratigraphic well
Supply Shock
takes occasion to
testes
three-stage counter current extraction system
transfer quantity
trilaminar structure
turbofeeder
Tvede
unequal pulse
ungraciousnesses
ureterectomies
Vejrup
vena intercostaliss
ventroproximally
zoodendrium