[昆] 蜡管细胞

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(52) / 评论(0) 分类 VOA标准英语2010年(三月)

This is Scientific American's 60 seconds science. I'm Ian Chant. Got a minute Secret identities aren't just for superheros anymore. Researchers have found that protein present in everything from amoebas to people is living the double life. Once it bi

发表于:2018-12-24 / 阅读(79) / 评论(0) 分类 Scientific American(七)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(59) / 评论(0) 分类 2006年慢速英语(九)月

If the human genome were put in a straight line, it would be over six and a half feet long. So how do you store all that DNA in a tiny nucleus? And have the cell manage it? Researchers explain how in a study featured on the cover of the October 9th i

发表于:2019-01-08 / 阅读(80) / 评论(0) 分类 Scientific American(十)月

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(106) / 评论(0) 分类 Scientific American(十一)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(77) / 评论(0) 分类 科技之光

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(77) / 评论(0) 分类 VOA标准英语2013年(七月)

Sicience and technology 科学和技术 Cancer and obesity 癌症与肥胖 Malignant flab 恶性松弛 At last, an understanding of how overeating causes cancer 吃得过多如何导致癌症 OVERWEIGHT women are more likely to develop breast cancer

发表于:2019-01-26 / 阅读(69) / 评论(0) 分类 经济学人科技系列

Genome: Now in 3-D! In a study in the journal Science, researchers report the mapping of the three-dimensional structure of the human genome, and the finding that the cell's nucleus is divided into two regions, one where DNA goes to get expressed. Cy

发表于:2019-01-30 / 阅读(125) / 评论(0) 分类 60秒科学

Okay. 好了 So what is the daf-2 gene? 那么daf-2基因到底是什么? Well as you know, genes, which are part of the DNA, 正如大家所知,基因是DNA的一部分 they're instructions to make a protein that does something. 它们是经编码

发表于:2019-02-14 / 阅读(91) / 评论(0) 分类 TED演讲科学篇

So how can a hormone ultimately affect the rate of aging? 那么,激素到底是怎样影响衰老的速度呢? How could that work? 原理是什么呢? Well it turns out that in the daf-2 mutants, 原来在daf-2变异体中 a whole lot of gene

发表于:2019-02-14 / 阅读(79) / 评论(0) 分类 TED演讲科学篇

模仿文本: The Mona Lisa is gazed at by an average of 6 million people a year. Now scientists think they may have found the final resting place of Leonardo da Vinci's muse for the picture, and they want to open her grave to carry out DNA tests.

发表于:2019-02-16 / 阅读(79) / 评论(0) 分类 英音模仿秀

Science and technology 科学技术 Bespoke pets 定制宠物 Just press print 只需按一下打印键 It will soon be possible to design and build household animals to order 按需定制宠物很快将成为现实 I could have sworn I ordered this

发表于:2019-02-16 / 阅读(127) / 评论(0) 分类 经济学人科技系列

Oncology and genetics 肿瘤遗传学 Grabbing cancer by the short and curlies 短发卡钳住癌症的新武器 A new technique for analysing tumours promises better understanding and more effective treatment 一项研究肿瘤的新技术为人类更

发表于:2019-02-17 / 阅读(109) / 评论(0) 分类 经济学人综合

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(104) / 评论(0) 分类 VOA常速英语2007年(十二月)

Ive often wondered how exactly sleep, or lack of it , can have such a devastating effect on our bodies and, guess what, how much we sleep switches good genes on and bad genes off. 我时常思考,睡眠的充足与否会对我们的身体健康带来

发表于:2019-02-17 / 阅读(56) / 评论(0) 分类 阅读空间

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(83) / 评论(0) 分类 英语新闻

Voice 1 Thank you for joining us for todays Spotlight, Im Joshua Leo. Voice 2 And Im Liz Waid. Spotlight uses a special English method of broadcasting. It is easier for people to understand, no matter where in the world they live. Voice 1 When you lo

发表于:2019-02-21 / 阅读(92) / 评论(0) 分类 环球英语 Spotlight

Science and technology 科学技术 Flu vaccines and synthetic biology 流感病毒与合成生物学 Going viral 向病毒行进 A speedy way to make a vaccine 快速制造疫苗的方法 IF A new and deadly strain of influenza were to arise, puttin

发表于:2019-02-24 / 阅读(95) / 评论(0) 分类 经济学人科技系列

TPO12 Lecture 1 6. What does the professor mainly discuss?(主旨题) A. How genes control human development. B. Why various types of human cells divide at different rates. C. How human chromosomes differ from one another. D. Why most human cells

发表于:2019-03-13 / 阅读(244) / 评论(0) 分类 托福英语
学英语单词
.bo
alarm repeater operating lever
anomalops katoptron
antrophyum obovatum
asphyxia reticularis
both-way channel
Bourbonists
Brioni
candling fire
capitis tetanus
Chibchan
closed fracture
colibacterial disease
confirmation nominative
contact metal
Crannell
Cut down the tall poppies
D/A conversion
defugalties
dethronization
Devgarh
difficult choice
draw-top table
eels
family Taxaceae
fibular tarsal bone (or fibulare)
folding horst
Foramen thyroideum
forrell
gallium nitrate
hard board mill wastewater
Hard Drawing
HI.Fix
high elliptical orbit satellite
hostnames
imbibition mechanism
in good looks
indian sago palm
ingers
Inman
inspection department
institutional theory of art
inter-com
iron foot
isoraunescine
jacobian transformation
javeliniers
kostomarov
lael
lapeled
laser probing
lauterbach (switzerland)
least time principle
master production schedule (mps)
mathen
Medinilla nana
metacarpal ligaments
numerical left part
nyafe
On the Origin of Species
oratosquilla oratoria
owner's risk of freezing
PACAF
paper-types
parallel tined reel
pelabuhan
pericarpium canavaliae
pitymyss
protephemerid
radio-frequency preheating
ray crossing
reciprocity calibrated transducer
rehabilitation-network
relative gain array
releevant
remanured
replace only bullets
rippling device
risk-weighted
Sanana, Pulau
saxonically
seasonal maximum
self-disparagement
Seller's coupling
shooting-galleries
signal-to-quaztization noise ratio (sqr)
slave-grown
solid bowl type screw decanter
spinycheek sleeper
spread shore
substructure
superheterodyne receivers
takydromus septentrionalis
tied one on
total capital cost
totangle
tourniquet test
transition condition
tyrosine kinase inhibitor
uniform luminance area
unyouthful
well judged