基因外突变

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(56) / 评论(0) 分类 2016年VOA慢速英语(三)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(75) / 评论(0) 分类 TED演讲国际问题篇

This is Scientific American's 60-Second Science, I'm Steve Mirsky. Got a minute? A strain of mutant mice groom compulsively till they seriously injure themselves. The condition is considered a good animal model for OCD, and its similar to the human d

发表于:2018-12-24 / 阅读(95) / 评论(0) 分类 Scientific American(五)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(76) / 评论(0) 分类 Scientific American(十二)月

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(67) / 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 will just take a minute. Why bother with sex? Its a question thats bugged biologists since they first noticed that some critters do it and some dont. The answer theyve come up wi

发表于:2019-01-08 / 阅读(90) / 评论(0) 分类 Scientific American(十一)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(88) / 评论(0) 分类 Scientific American(六)月

This is Scientific Americans' 60-Second Science. I am Cynthia Graber. This'll just take a minute. Air pollution is bad for our health, but scientists say we don't know much about the long-term effects. So researchers in Canada and the Netherlands dec

发表于:2019-01-08 / 阅读(104) / 评论(0) 分类 Scientific American(二)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(130) / 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(127) / 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(63) / 评论(0) 分类 VOA慢速英语2008年(五)月

Copper Metal Kills Viruses on Contact 铜能杀死细菌和病毒 Even in the world of medicine, what is old is new again. 医药界也刮起了复古风。 Thousands of years ago, Egyptians used it to sterilize drinking water. Ancient Romans, Aztecs

发表于:2019-01-12 / 阅读(148) / 评论(0) 分类 2016年VOA慢速英语(二)月

Genetic Test Pinpoints Cause of Patient Illness About a decade ago, scientists decoded the human genome, creating a gene-by-gene map of our DNA. In the decade since, genetic research has accelerated, but mostly it's stayed in the laboratory. Now, gen

发表于:2019-01-14 / 阅读(83) / 评论(0) 分类 VOA标准英语2011年(六月)

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(113) / 评论(0) 分类 经济学人科技系列

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(96) / 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(109) / 评论(0) 分类 英语新闻

A cats charity is raising money for one of its felines to have gender reassignment surgery, after vets realised that it was both male and female. 有一家英国猫咪慈善机构正在筹款,目的是为一只喵星人做性别手术,因为他们发

发表于:2019-02-07 / 阅读(406) / 评论(0) 分类 阅读空间

A cat who prefers to stand up on two paws has become the latest feline internet sensation, thanks to his super strong back legs. 最近有一只猫在网上迅速蹿红,它用两只后腿站立的萌姿俘获了大批网友。 George, the Munchkin-

发表于:2019-02-09 / 阅读(49) / 评论(0) 分类 阅读空间

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(149) / 评论(0) 分类 英语语言学习

Who do you think your pet is? Learning from Your Dog's DNA 你认为你的宠物是谁?狗狗DNA中的发现 A simple cheek swab can reveal your dog's ancestry, provide insight into its health and even help explain its behavior 擦一下狗的脸就可

发表于:2019-02-21 / 阅读(141) / 评论(0) 分类 人物杂志
学英语单词
adjustable-range thermometer
administration action
Allitc
Allium chiwui
an increasing number of
anchoring fibrils
antiaircraft fires
antierotica
atmospherium
autoreinfusion
avant-garage
avicennias
backa topola
be said to
bioconverts
bumfluff
capping inversion
Carlos the Jackal
chemies
choked runner system
compulsory delisting
Congo River
cooperative binding
counter-coups
cudgeller
customs-union
cystic artery
Dalchonzie
Danic
deficit-neutral
dogooders
Doisy unit
drapetis xanthocephala
dry cooling systems
ecovillage
Eritrichium deltodentum
Euonymus oblongifolius
false diphtheria
faucet ears
fibrocellulitis progressiva ossificans
foxbases
fume extraction equipment
Gempylus serpens
genus callistephuss
geometrical shape
heatsensitity
hemipyxis yasumatsui
husbander
icahn
ignite
imperfect manufacture
imperfectcontact
Indirect Exchange Rate
indulinophil
jelly roll mortons
kashruts
Kavīr, Dasht-e
lensia meteori
Leptaena
line of gab
lippy
loading and unloading berth
Massora
net adjustment
nitrosaccharin
objectstores
obliqus arytenoid muscle
online polls
onthophagus (onthophagiellus) taiyaruensis
oxytactic
parotitis phlegmonosa
parydra formosana
polybenzimidazole(PBI)
porphyritic structure
punched tape code
quick-attachable coupling
quota periods
Ramus communicans cum nervo ulnari
realgar wine
ringworm cassias
RQQ
sal sedatirum
sea-duck
securities held in pledge
share dilution
single-seater
Small Eid
smithsonian currency realignment
splash-proof motor
spread factor
styringomyia flavitarsis
subturbinate
Sulcus auricularis posterior
tampeons
ternary system piezoelectric ceramics
the necessity
Tillamook County
train shunt
tussah fabric
valdespino
witlof
XYGD