un. 遗传突变

Generic Form of Pediatric HIV Drug OKd A new licensing agreement with the pharmaceutical company MERCK allows for the manufacture of a generic version of a pediatric AIDS drug. It may be two years before its readily available in low- and middle-incom

发表于:2018-12-08 / 阅读(140) / 评论(0) 分类 VOA标准英语2015年(二月)

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(95) / 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(125) / 评论(0) 分类 TED演讲国际问题篇

This Scientific Americans 60-Second Science. I am Karen Hopkin. This will just take a minute. They say that older folks benefit from spending time with young people. And thats not just an excuse to stick grandma at the kids table at Thanksgiving. Now

发表于:2018-12-24 / 阅读(124) / 评论(0) 分类 Scientific American(五)月

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(148) / 评论(0) 分类 Scientific American(五)月

This is Scientific American's 60-Second Science. I'm Steve Mirsky . Got a minute ? Time to bring back the Office of Technology Assessment. The OTA was created in 1972 to provide Congress with an objective analysis of complex scientific and technologi

发表于:2018-12-24 / 阅读(130) / 评论(0) 分类 Scientific American(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(115) / 评论(0) 分类 英语听力广播—Listening

Grammar Girl here. Today's topic is generic personal pronouns. Nolan in Victoria, British Columbia, asked the following question: Just wondering about whether to use she or he in terms of giving examples. Since she was written out of the literature f

发表于:2019-01-07 / 阅读(172) / 评论(0) 分类 英语语法 Grammar Girl

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(155) / 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(154) / 评论(0) 分类 Scientific American(六)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(178) / 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(121) / 评论(0) 分类 VOA慢速英语2008年(五)月

RACHEL MARTIN, HOST: Federal and state investigators say some generic drugmakers have been fixing prices. Nineteen companies have been named so far in a scheme where investigators say consumers were overcharged for a long list of medications. Charles

发表于:2019-01-16 / 阅读(111) / 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(167) / 评论(0) 分类 经济学人科技系列

By Noel King Kigali, Rwanda 06 September 2007 An estimated 190,000 people in Rwanda, about three percent of the population, are infected with HIV and AIDS. But there is optimism at the highest levels of government that education can stem the spread o

发表于:2019-01-31 / 阅读(175) / 评论(0) 分类 2007年VOA标准英语(九月)

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(152) / 评论(0) 分类 经济学人科技系列

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(194) / 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(177) / 评论(0) 分类 人物杂志

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(185) / 评论(0) 分类 人物杂志

台湾籍旅美老师今天交给我们的句子是: When studying these fruit fly brains, scientists identified one single gene that, when mutated, rendered a female completely incapable of deciding on a mate - even when a male is trying really ha

发表于:2019-03-05 / 阅读(160) / 评论(0) 分类 留美老师带你每日说英文
学英语单词
Adams City
Althausen-Maneke's test
artillery weapon
aubin
awaye
beam control
beblow
bis-beta-ethoxyethyl ether
black englishes
black grama
bleeding cock
Brangus
Burgweiler
BYOT
carboloy holder
cephalematocele
charge to an account
check-flooding irrigation
chemical formulas
chilled joint
close with the land
common limpets
compound needle
cooling time clock
cubito-anal
cure all
cutinases
deformity
discharge chemistry
Domasinec
double grinding wheel
double universal coupling
durabolin
eupenicillium brefeldianum
Euro-currency market
experimental network
fermi zero
fishing-tackle
fma
foulong organisms
fragilest
gyratingly
Hapalidae
help request
hereditary hemophilia
Himalayan pine
hind limbs
histomorphometric
hot-stream nozzle
Hotham Inlet
hydraulic efficiency servo-motor
hydraulic packer holddown
identifier block
in potestate parentis
investion
Kandyan
kinoplasm
Kurum
laurestina
leukodystrophies
ligamenta interclaviculare
Lohrville
louis henri sullivans
main control centre
mean derivative
mercury-wetted contact
micropowered
mitre joints
monohalogenated benzene
MTLA
mycotoxicity
mydrisis
nonhydrothermal
oily waste water
opsariichthys evolans
p.c.a.
Palestinologists
Pimpinella arguta
Pityoxylon
playspaces
porpuses
predefined instruction
repetitive gene
run a business
scale jacket
school enrollment
sealad module
securities-fraud
shaquita
showing in
sodium fusion test
suffisticate
supratenuous fold
telepunch
tool-post wrench
track follower
trans-repression
Twin Cities
two wire loudspeaking
v. transversa faciei
Vista Enterprise
wlll