血管生成性细胞丛

Faiza Elmasry | Washington, DC 29 March 2010 Cell biologist Elaine Fuchs is known for revolutionizing the study of skin and for her support of women in science. Children, Elaine Fuchs says, have a natural fascination with science. She remembers that

发表于:2018-12-16 / 阅读(119) / 评论(0) 分类 VOA标准英语2010年(三月)

This is Scientific Americans' 60-Second Science. I'm Steve Mersky. Got a minute? Its the kind of thing we can look forward to more in the coming years: Personalized drug regimens based on our individual DNA. The example of this new kind of Personaliz

发表于:2018-12-24 / 阅读(143) / 评论(0) 分类 Scientific American(一)月

This is Scientific American's 60-Second Science. I'm Cynthia Graber. This will just take a minute. Conditions such as mad cow disease are caused by abnormally shaped proteins, called prions. Prions spread by causing other, normal proteins to misfold

发表于:2018-12-24 / 阅读(112) / 评论(0) 分类 Scientific American(九)月

[00:05.49]Physical changes, such as gray hair and small lines on the face, appear as we grow older. [00:15.78]Now, American scientists say such changes may result partly from changes in our genetic material. [00:24.24]They say these genetic mutations

发表于:2018-12-26 / 阅读(112) / 评论(0) 分类 美国英语听力80篇

Uint8 II. Basic Listening Practice 1.Script M: Scentists claim the world population has 99.5% of the same DNA. W: But this doesnt tell us there is no such thing as race. Q: What is true of the DNA of difference races? 2.Script W: With the advent of t

发表于:2018-12-29 / 阅读(113) / 评论(0) 分类 新视野大学英语:视听说教程 4

The 2009 Nobel Prize in physiology or medicine goes to Harvards Jack Szostak, Johns Hopkinss Carol Greider and Elizabeth Blackburn at U.C. San Francisco for their work on how chromosomes are protected by telomeres and the enzyme telomerase. The Nobel

发表于:2019-01-08 / 阅读(165) / 评论(0) 分类 Scientific American(十)月

This is Scientific American's 60-Second Science. I'm Cynthia Graber. This will just take a minute. Thousands of medieval European books survive to this day. Authors and scribes carefully handwrote the works on parchments made of animal skins. But the

发表于:2019-01-08 / 阅读(135) / 评论(0) 分类 Scientific American(一)月

SCIENCE IN THE NEWS - Progress Made in Stem Cell Research By Caty Weaver, Jerilyn Watson, ... Broadcast: Tuesday, May 31, 2005 (MUSIC) VOICE ONE: This is SCIENCE IN THE NEWS, in VOA Special English. I

发表于:2019-01-09 / 阅读(136) / 评论(0) 分类 科技之光

By Claudia Blume Hong Kong 05 January 2006 Scientists in Australia have discovered a stem cell that is expected to provide clues about how breast cancer develops, and how cancer cells evade current th

发表于:2019-01-11 / 阅读(185) / 评论(0) 分类 2006年VOA标准英语(一月)

Stem Cell Therapy Effective Against HIV Virus in Mice The actual stem cells were injected in my arm, said Diana Souza. Diana Souza says stem cell therapy helped restore full use of her severely fractured arm. It is a miracle. It does work. And I have

发表于:2019-01-13 / 阅读(125) / 评论(0) 分类 VOA标准英语2012年(五月)

Sickle Cell Disease Cases Are Increasing Basic health interventions may significantly reduce deaths among young children with sickle cell anemia. The illness causes the body to produce sickle or disc shaped red blood cells making it difficult for the

发表于:2019-01-14 / 阅读(139) / 评论(0) 分类 VOA标准英语2013年(七月)

By Melinda Smith Washington 19 March 2008 A scientific review published in the Journal of American Medicine shows that the field of genetics has made a lot of progress in recent years. According to JAMA , genetic testing is able to identify more than

发表于:2019-01-20 / 阅读(135) / 评论(0) 分类 VOA标准英语2008年(三月)

67 维生素C能否破坏DNA? DATE=7-11-01 TITLE=SCIENCE REPORT - Vitamin C and DNA BYLINE=Nancy Steinbach (Start at 59

发表于:2019-01-30 / 阅读(172) / 评论(0) 分类 科技之光

US scientists have stripped life back to its bare essentials creating a synthetic microbe with the absolute minimum genetic information needed to grow and reproduce. 美国科学家将生命的多余部分剔除,只留下最基本的要素,由此创

发表于:2019-02-05 / 阅读(139) / 评论(0) 分类 英语新闻

British MPs have voted in favour of the creation of babies with DNA from two women and one man, in an historic move. 英国国会议员投票通过一项具有历史性意义的决议,支持用两母一父的DNA培育婴儿。 The UK is now set to

发表于:2019-02-09 / 阅读(119) / 评论(0) 分类 阅读空间

The 2015 list of the greatest emerging technologies was recently published by Bernard Meyerson, chief innovation officer of IBM and chair of the World Economic Forums Meta-Council on Emerging Technologies. 最近IBM的首席创新官兼世界经济论坛

发表于:2019-02-17 / 阅读(145) / 评论(0) 分类 阅读空间

By Jessica Berman Washington 19 December 2007 Stem cell research was the major medical and science story this past year, topping the list of achievements that experts say might finally lead to cures for many diseases. Meanwhile, global health officia

发表于:2019-02-17 / 阅读(166) / 评论(0) 分类 VOA常速英语2007年(十二月)

A group of volunteers from Dalian, a coastal city in northeast China, are speaking up about awakening environmental awareness in the public. Dalian is famous for its cluster of beautiful beaches. But nowadays, trash chokes the reefs, seawater and sho

发表于:2019-02-25 / 阅读(171) / 评论(0) 分类 cctv9英语新闻2016年

Bacteria are the oldest living organisms on the earth. 细菌是地球上最古老的生物。 They've been here for billions of years, and what they are are single-celled microscopic organisms. 它们已经存在数十亿年了,它们是单细胞微

发表于:2019-03-04 / 阅读(247) / 评论(0) 分类 TED演讲教育篇

今天我们要学的词是 genetic. Genetic 形容词,遗传的,基因的。For the first time, the FDA will allow a company to sell genetic tests for disease risks directly to consumers. 美国食物药物管理局首次允许一家公司直接向

发表于:2019-03-07 / 阅读(178) / 评论(0) 分类 英语单词荟萃
学英语单词
A-bombers
A.E.S.
AAAIMH
acholuria
acute ulcerative gingivitis
adenectomy
adiges
allowable transition
amaranthine
anet
aquatic chemistry
area sampling
Arico
bacillus moembranaceus amethystinus
be rooted in
bedamning
Bembézar, R.
cacao-tallow
centisome
chapuys
charge transfer efficiency
cheekee
chlorocholesterols
colour centres
compensated curve
continue column
Cumberland method of mining
cyclic impedance
dampens off
degenerate elliptic equation
diastephanus ruficollis
dielectric wedge
disk storage device
duhalde
electrothermal accelerator
employment permit
euroskeptics
fagotti
family fregatidaes
fappas
foreign exchange trading
freit
given an outline of
go through the formalities
gyandrarchy
Hefner candle
hegemonise
high-qualities
I'm not interested
ICHs
iglauer
in the main
Israelized
jeuk
joint liability
Komsomol'sk-na-Ustyurte
loading-ups
long range navigation computer
low-frequency wet-flashover voltage
metaloscopy
misascriptions
molindone hydrochloride
network message
non-alignment diagram
non-central Wishart distribution
Odovakar
on one's part
parine
percherons
PF3T
Pinus kwangtungensis
plane of loading
Poa paucifolia
poned
propositional-function
qam (quadrature amplitude modulation )
quartz still
Quercus cerris
rack drum
reactance equalizer
reinspired
releasably
resection of corn
Reverend Dodgson
rosio
Salsola collina Pall.
Scale in
seismological
sekhonyana
Semper's larva
Soemmering's ganglia
subjugates
survey course
sywe
tartar-
Taylorization
timber fender
toxic cataract
transberrin
unquailed
vibration of stator end winding
wet chute