胚基;胚茎

After a summit at the White House today between top congressional leaders, the president and both presidential candidates as well, a proposed 700-billion-dollar financial bailout deal now appears to be in some flux. NPR's Debbie Elliott has more. Co

发表于:2018-12-02 / 阅读(126) / 评论(0) 分类 2008年NPR美国国家公共电台九月

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(110) / 评论(0) 分类 科技之光

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(76) / 评论(0) 分类 2018年VOA慢速英语(八)月

Making Stem Cells From Ordinary Adult Cells Most cells in our bodies are unipotent, that is they stay the same throughout their lives. For example, once a skin cell, always a skin cellthey never start turning into brain cells. The exception is stem c

发表于:2018-12-27 / 阅读(88) / 评论(0) 分类 英语时差8,16

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(102) / 评论(0) 分类 2006年慢速英语(八)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(157) / 评论(0) 分类 2006年慢速英语(九)月

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(183) / 评论(0) 分类 科技之光

We use those in my field of bone marrow transplantation. 我们把这些干细胞用于骨髓移植领域。 Geron, just last year, started the first trial using human embryonic stem cells to treat spinal cord injuries. 杰龙去年开始第一次尝试

发表于:2019-01-03 / 阅读(148) / 评论(0) 分类 TED演讲科学篇

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(191) / 评论(0) 分类 英语讨论

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(146) / 评论(0) 分类 健康与经济

President Obama has lifted restrictions on the use of federal money for research using embryonic stem cells. Some researchers are already making progress using stem cells from umbilical cord blood, which entails no controversy since there is no dest

发表于:2019-01-11 / 阅读(115) / 评论(0) 分类 VOA标准英语2009年(三月)

By Efam Dovi Accra 23 August 2006 In Ghana, a high court in the capital Accra Tuesday sentenced five robbers to more than 300 years in prison in what the police say is a clear sign the country is taking violent crime seriously. The spate of armed ro

发表于:2019-01-11 / 阅读(214) / 评论(0) 分类 2006年VOA标准英语(八月)

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(198) / 评论(0) 分类 VOA慢速英语2007年(十二)月

By Melinda Smith Washington 27 June 2007 President Bush speaking at the White House about stem cell research, 20 Jun 2007 Some U.S. scientists say President Bush's veto last week of federal funding for stem cell research raises questions about the f

发表于:2019-01-13 / 阅读(184) / 评论(0) 分类 2007年VOA标准英语(六月)

Medical experts in Miami are hoping to speed up research using embryonic stem cells. Their work may lead to advances in treatment for spinal cord injuries, Alzheimer's disease and other illnesses. President Barack Obama signs an Executive Order on s

发表于:2019-01-13 / 阅读(98) / 评论(0) 分类 VOA标准英语2009年(三月)

By Carol Pearson Washington 17 December 2007 2007 was a year notable for breakthroughs in medicine. VOA's Carol Pearson looks back at some of the top medical stories of the year. One of the most promising developments in health in 2007 was the disco

发表于:2019-01-20 / 阅读(112) / 评论(0) 分类 VOA常速英语2007年(十二月)

26 茎细胞对于疾病治疗的神奇功效 DATE=5-24-01 TITLE=SCIENCE REPORT - Progress in Stem Cell Research BYLINE=Caty Weaver (Start at 59

发表于:2019-01-30 / 阅读(247) / 评论(0) 分类 自然探索

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(217) / 评论(0) 分类 2006年VOA标准英语(七月)

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(97) / 评论(0) 分类 VOA标准英语2009年(三月)

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

发表于:2019-02-24 / 阅读(136) / 评论(0) 分类 经济学人科技系列
学英语单词
abruptio placentarum
acidulanting agent
albarracin
alvearies
Arcturidae
as marinas
assigned cause
assorted appetizers
Beckmann rearrangement
berbamunine
boac
bothriocyrtum tractabile
bourriaud
brakelines
Calvinizing
carbinol group
carrier current communication
caving-rake
CDOC
chain of graphical triangulation
cocoa cake
concretisation
crail
Daoregué
deep-vein
dense magnesia sinter
dermal ossification
direct copper dye
drag hunting
easy credit policy
EBMZ
energy company
Epipactis papillosa
erythronium americanums
euphyllophytes
film parametron
final age of maximum forest net income
fishy back
galleywest
gauge tie bar
genus Rhincodon
genus Toona
gets after
good genius
Gronchi, Giovanni
hemianopias
in pain
inactive compound
industrial wastes
Instant Custard
invitationally
jaw socket
Karabah
kazinoki
key branches of the economy
linemen's hammer
location of tank
malignant histocytosis
middle surface of a plate
minimum cell rate (mcr)
minimum group delay system
mycetozoans
nature-versus-nurture
niblings
odiles
organization centre
per orem
person pronoun
petroleum black
photochromogenicity
Pimpinella acuminata
pneumopleuritis
population sampled
prenoxdiazine
production miner
professional packing
Purshia
raising by individual households
resistance strain gauge load cell
reversing screw latch wheel
rhinopharyngitis mutians
sando
scroungers
secure a return
sidescan
sling-shot
soderbergh
spear-blades
statelike community
stress strain relationship
summary dismissal
superior vena cava thrombophlebitis
system geography
tamper-evident
the cenozoic era
trackpads
unencumbered
variable torque dividing
vihar
Vombsjon
wickel
zero cut-out