【病理学】镰状细胞基因

This is the VOA Special English Health Report. Last week, researchers in the United States reported curing nine adults with sickle cell disease. Ten patients in all were treated in a study with donated bone marrow. The healthy marrow causes new blood

发表于:2018-12-01 / 阅读(233) / 评论(0) 分类 VOA慢速英语2009年(十二)月

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(108) / 评论(0) 分类 VOA标准英语2010年(三月)

BBC News with Cathy Clarkston. President Donald Trump says he has total confidence in the U.S. Attorney-General, Jeff Sessions, amid controversy about his meetings with the Russian envoy during last year's presidential campaign. Mr. Sessions has come

发表于:2018-12-20 / 阅读(103) / 评论(0) 分类 中英双语新闻

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(131) / 评论(0) 分类 Scientific American(七)月

Sickle cell disease is a blood disorder due to a single genetic mutation. It remains in populations because the mutation has a flip sideit helps to protect against malaria. Now another mutation has been shown to afford similar protection. Deficiency

发表于:2018-12-24 / 阅读(130) / 评论(0) 分类 Scientific American(十二)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(121) / 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(156) / 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(130) / 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(131) / 评论(0) 分类 VOA标准英语2013年(七月)

SCOTT SIMON, HOST: Nearly a third of African-Americans report experiencing discrimination when they've been to the doctor. It's according to a poll from NPR, the Robert Wood Johnson Foundation and the Harvard T.H. Chan School of Public Health. Perhap

发表于:2019-01-16 / 阅读(134) / 评论(0) 分类 2017年NPR美国国家公共电台11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(134) / 评论(0) 分类 经济学人科技系列

By Carol Pearson Washington, DC 06 July 2006 watch Stroke Prevention report People with diabetes, sickle cell anemia, or sleep apnea are at risk for having a stroke. The American Stroke Council has some guidelines that can help prevent stroke. -----

发表于:2019-01-30 / 阅读(153) / 评论(0) 分类 2006年VOA标准英语(七月)

Gene for Disease Has Healthy Flip Side A study in the journal Science finds that the gene for anemia-causing G6PD deficiency also protects against malaria, thereby keeping the gene active in populations. Cynthia Graber reports Sickle cell disease is

发表于:2019-01-30 / 阅读(236) / 评论(0) 分类 60秒科学

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(134) / 评论(0) 分类 TED演讲科学篇

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(162) / 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(158) / 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(113) / 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(146) / 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(145) / 评论(0) 分类 环球英语 Spotlight

Voice 1 Welcome to Spotlight, Im Ruby Jones. Voice 2 And Im Marina Santee. 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 Welcome to our listener mail pr

发表于:2019-02-21 / 阅读(128) / 评论(0) 分类 环球英语 Spotlight
学英语单词
a Vick
ancrene
Aniseia biflora
anthraxylon
aporetical
bactopeptone
bauxit
berensteins
bill of dishonor
blade height
break-axe
Brkende
chenille thread
chunk style
cleidoepitrochlearis
conducting island
corn binder
crossbeaks
dauntless
desmethylnobiletin
double adjustable sheave
eddy available potential energy
enter'd
exhaust gas economizer
file trailer comment
five-spot water flooding pattern
flattened rayon
Fotuha'a Atoll
freeport-mcmoran
fulgoridaes
full butt
glass-rope
gurgler
hematomyelia
hepatic leukemia
idolize
if so
inorganic dielectric capacitor
insect-catching leaf
internet suite of protocols
Johannesburg
just perceptible noise
kitschify
languishest
lava subsidence scarp
leg forward
light meson
loipe
main exchange
mass conversion factor
material equity
matriarchies
mature leaf
methylcysteinase
motiier
myocardioblast
NATO Joint Communications-Electronics Committee
nieht
oem service release 2
optional feature
outperformed
output at the wheel rim
perfect power
pfefferkorn
phosphoglucoisomerase
photobiologic
photoletter
planary
plexus dentalis inferior
profit or loss
railroad men
reticle lines
scandinavian-styles
Set a beg on horseback and he will ride to the devil.
side-viewing endoscope
Sierra Leonians
simple cystoma
simplicial chain mapping
sodium antimonyltartrate
speed triangle
spool for inking ribbon
stellar triangulation
sticky-fingered
Suanbo
supershit
surface turning
sustained collector voltage
synoestrol
system balance
tear gland
temkin
thoracotome
three-coloured amaranth
transparent control panel
vertical upward welding
vigorate
water-soluble acid
weighing accuracy
wetting front
wholly produced criterion
wild sarsaparillas
Yeltsinian