突变基因

This is the VOA Special English Health Report. The next time you think about going without sleep, consider this: Laboratory animals that are kept awake for long periods of time ... die. Yet sleep scientist Ying-Hui Fu at the University of California

发表于:2018-12-15 / 阅读(144) / 评论(0) 分类 VOA慢速英语2009年(八)月

Mummies Contain Clues to Colon Cancer 木乃伊包含了结肠癌的线索 From VOA Learning English, this is the Health and Lifestyle report. Colon cancer is linked with obesity, lack of exercise, and a poor diet high in processed foods. However, sc

发表于:2018-12-16 / 阅读(123) / 评论(0) 分类 2016年VOA慢速英语(三)月

Gene Therapy Halts Vision Loss in Dogs Researchers have stopped vision decline in dogs with an inherited disease that causes blindness. The gene therapy technique they used may someday stop vision loss in humans. Retinitis pigmentosa (RP) is an eye d

发表于:2018-12-16 / 阅读(146) / 评论(0) 分类 VOA标准英语2012年(二月)

Even before scientists sort this out, this information is actually really good news for us, 即使科学家还尚未解决问题,这一好消息确实振奋人心, because it turns out that the way we live can influence the accumulation of amyloi

发表于:2018-12-18 / 阅读(152) / 评论(0) 分类 TED演讲国际问题篇

人的一生中,将近三分之一的时间是用于睡觉的。刚出生的婴儿几乎每天要睡20个小时;即使成年后,每夭至少要睡 6~7小时。 不管睡眠时间长短如何,睡觉看来是人必不可少的行为。这一点

发表于:2018-12-27 / 阅读(158) / 评论(0) 分类 英语听力广播—Listening

This is scientific American's 60-Second Science, I'm Karen Hopkin, this'll just take a minute. If theres anything better than a fresh, ripe, tomato, its a gigantic fresh, ripe tomato. And thanks to a couple of mutations, thats exactly what we all enj

发表于:2019-01-08 / 阅读(180) / 评论(0) 分类 Scientific American(五)月

This is Scientific American's 60-Second Science, I'm Cynthia Graber. This'll just take a minute. If evolution weeds out detrimental traits, why do some seem to stick around? Well what's bad in our current environment may have been good in the conditi

发表于:2019-01-08 / 阅读(180) / 评论(0) 分类 Scientific American(六)月

This is Scientific American's 60-Second Science. I'm Cynthia Graber. This will just take a minute. Mark Twain called it the most delicious fruit known to men. He was talking about the cherimoya. If you never heard of it, there's good reason. It has a

发表于:2019-01-08 / 阅读(233) / 评论(0) 分类 Scientific American(三)月

The Justice Department has unsealed terrorism charges against the man who has been linked to a Somali terrorist group called Al-shabaab. Authorities say he had bomb-making instructions in his possession when he was arrested. NPRs Dina Temple-Raston r

发表于:2019-01-08 / 阅读(222) / 评论(0) 分类 2010年NPR美国国家公共电台3月

Scientists have identified a unique genetic mutation in about 10 percent of people with type 2 diabetes(糖尿病) studied in the United States and Europe. The discovery could help some people learn if they are at risk of developing diabetes so they

发表于:2019-01-11 / 阅读(225) / 评论(0) 分类 英语新闻

SCIENCE IN THE NEWS - Museum Aims to Keep African Archeological Treasures in Africa Also: A vaccine against meningitis proves successful in Uganda. And a study suggests genetic reasons for living longer. Transcript of radio broadcast: 12 May 2008 VO

发表于:2019-01-11 / 阅读(147) / 评论(0) 分类 VOA慢速英语2008年(五)月

RACHEL MARTIN, HOST: This next story is about a line of cancer research that could potentially help a huge number of people, people like Michael Robertson. MICHAEL ROBERTSON: I'd been having unidentified symptoms for a few months, but it was during a

发表于:2019-01-16 / 阅读(130) / 评论(0) 分类 2018年NPR美国国家公共电台3月

Science and Technology The science of stuttering Speech therapy 科技 口吃科学 演讲疗法 Unravelling the mystery of faltering speech 解秘演讲时的口吃 DOWN the ages stuttering has been blamed on many things. 多年来,口吃可以归咎

发表于:2019-01-26 / 阅读(198) / 评论(0) 分类 经济学人科技系列

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(279) / 评论(0) 分类 60秒科学

Science and technology 科学技术 Cancer genetics 癌症遗传学 Gene therapy 基因疗法 Genetic mutations predict which cancers will respond to treatment 基因突变将预测某种治疗会对哪些癌症起作用 THE International Cancer Geno

发表于:2019-02-04 / 阅读(181) / 评论(0) 分类 经济学人科技系列

BEIJING, August 1 (Xinhuanet) -- U.S. researchers have discovered a genetic mutation unique to African Americans that links to heighten their asthma risk, according to reports published on Sunday in the journal Nature Genetics. Researchers of Univers

发表于:2019-02-06 / 阅读(190) / 评论(0) 分类 英语新闻

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(181) / 评论(0) 分类 TED演讲科学篇

SCOTT SIMON, HOST: Some people in life can see whole worlds in small things. Hugh Rienhoff can see it in a molecule called transforming growth factor-beta 3. In 2003, his daughter, Beatrice, was born with a few noticeable abnormalities. Her eyes were

发表于:2019-02-16 / 阅读(244) / 评论(0) 分类 英语语言学习

为何人类爱吃肉 对多数人类来说,肉的味道非常美妙。众多的美食中,为何我们对它情有独钟呢? It is no less remarkable for people today, even those of us whose tastes run more to sirloin. Because if you look at wh

发表于:2019-02-18 / 阅读(217) / 评论(0) 分类 阅读空间

Surviving Cancer Twice 两次战胜癌症 After overcoming ovarian and breast cancer, the actress opens up about getting healthy, returning to work and the health challenge she still faces 在克服了卵巢癌和乳腺癌之后,这位女演员开始

发表于:2019-02-21 / 阅读(219) / 评论(0) 分类 人物杂志
学英语单词
a mere name
anticorrosion material
arachis duranensis
asebotin
be cool
bend technique
betulicole
bezzles
bicuspidization
biorational,bio-rational
block-in
bounding parallel
brain-trust
broken diagonal
ca2(cornu ammonis 2)
cannon fodders
capital of Missouri
carbide end mill
Chirongui
Chlor-Quingestanol
chloramides
collimating slit
common cattle grub
cost less depreciation
customer-orientations
dissentment
distance between two ties
drainageway
eco-audits
environmental regulations
ergatogynandromorph
false plane
fan-shaped structure
flation
froth floatation
gas boss
gas cooled electrical machine
hearos
hemigamous
hot-water heaters
hydraulic hoe
in lordly way
instruction decode unit
ISPAS
jack-staff
junior high schools
knight-companion
Krasnotur'insk
Le Vauclin
leak chamber
let loose the dogs of war
limited audit assurance
liquid film plutonium content meter
low paying cargo
macro relief
marguisette
meal offering
microcircuit topology
miss white
monetizes
morucho
n-valeral
nail catcher
Ni-resist ring insert
nonauthigenic
nonperiodic signal
Ogidaki
oil-cleaner
Pelican Island National Wildlife Refuge
physical signs
pin joint
pinhole failure
process oriented layout
programmable graphics hardware
read - only memories
read for
regard A as B
replications
rewatch
savanna landscape
second operation seaming roll
sequential connection
short circuited winding
siddharth
single-reheat type once-through boiler
small packets post
soil particle
starch generators
Stenotomus
summarisable
target properties
the last post
Thomas Love Peacock
trick-or-treaters
uneathes
usaa
vesselform sieve tube
Våmhus
welldesigned
white peas
yelow gold
Zymosarcina