显性致死突变试验

This is the VOA Special English Education Report. The Obama administration says American schools should produce students who are college and career ready. What is the best way to do that? One group that has some ideas is the National Center on Educat

发表于:2018-12-07 / 阅读(154) / 评论(0) 分类 2010年慢速英语(二)月

Studies Link Bee Decline to Insecticide Billion-dollar bees Bees pollinate the flowers that become fruits, nuts and vegetables. The work these insects do is worth about $18 billion a year to U.S. farmers. But honeybee colonies in the United States ha

发表于:2018-12-16 / 阅读(137) / 评论(0) 分类 VOA标准英语2012年(三月)

Simple New Test Detects Early Signs of Diabetes 新型简单测试或能检测出糖尿病早期迹象 People with Type 1 diabetes, usually diagnosed in children and young adults, must take insulin injections and watch their diet to keep their blood

发表于:2018-12-16 / 阅读(146) / 评论(0) 分类 VOA标准英语2015年(一月)

RACHEL MARTIN, HOST: Earlier this year, Vladimir Putin announced that Russia had tested a new kind of nuclear missile. Putin declared it a success. But satellite images shared exclusively with NPR suggest the missiles testing may have had a different

发表于:2018-12-18 / 阅读(179) / 评论(0) 分类 2018年NPR美国国家公共电台9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(178) / 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(170) / 评论(0) 分类 Scientific American(五)月

By Melinda Smith Washington, DC 27 September 2006 watch Colon Cancer report Growth(s) discovered in a colon Colon cancer is one of the most common forms of cancer in the world. But with early detection, colon cancer is highly treatable. If you have

发表于:2019-01-06 / 阅读(248) / 评论(0) 分类 2006年VOA标准英语(九月)

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(200) / 评论(0) 分类 Scientific American(五)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(244) / 评论(0) 分类 英语新闻

New Test Could Find Cancer Earlier 新的测试可以发现早期癌症 From VOA Learning English, this is the Health Lifestyle report. Cancer is a leading cause of death around the world. When it comes to cancer, the sooner you know you have it, the

发表于:2019-01-12 / 阅读(380) / 评论(0) 分类 2016年VOA慢速英语(十一)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(184) / 评论(0) 分类 VOA标准英语2011年(六月)

US, UN Pledge Action Against North Korea Nuclear Test As crowds in Pyongyang celebrate what North Korean leaders call a successful nuclear test in legitimate self-defense, U.N. Secretary General Ban Ki-moon says the test is a direct challenge to the

发表于:2019-01-14 / 阅读(146) / 评论(0) 分类 VOA标准英语2013年(二月)

Scientists Seek Better Understanding of Threats Faced by Sharks 科学家寻找更好的途径解决鲨鱼面临的威胁 COCONUT ISLAND, HAWAII With many shark species endangered or threatened as a result of pollution and other problems, scientists

发表于:2019-01-14 / 阅读(136) / 评论(0) 分类 VOA标准英语2015年(二月)

RACHEL MARTIN, HOST: Now to China, where a strain of bird flu has killed a record number of people this year. Scientists on the frontlines of this deadly strain are more worried than ever about its potential to spur a global pandemic. NPR's Rob Schmi

发表于:2019-01-17 / 阅读(144) / 评论(0) 分类 2017年NPR美国国家公共电台4月

By Jessica Berman Washington 08 May 2006 Scientists report they have cured a highly malignant form of cancer in ordinary laboratory mice using the white blood cells of mice that are resistant to cance

发表于:2019-01-29 / 阅读(223) / 评论(0) 分类 2006年VOA标准英语(五月)

By Cindy Saine Washington 16 April 2008 The U.S. Supreme Court has upheld the most common method of lethal injection used for executions by the federal government and 36 states. The unsuccessful constitutional challenge to the three-drug lethal injec

发表于:2019-01-31 / 阅读(146) / 评论(0) 分类 VOA常速英语2008年(四月)

A new report from The World Bank predicts that China's renminbi will join the U.S dollar and the euro as dominant international currencies sometime in the next 10 to 15 years. Some economists say is a major realignment in the global economic order, w

发表于:2019-02-06 / 阅读(165) / 评论(0) 分类 英语新闻

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(236) / 评论(0) 分类 阅读空间

An independent panel of U.S. health experts is recommending that all Americans between the ages of 15 and 65 be routinely screened for HIV, the virus that causes AIDS. The HIV test would not be mandatory. But experts hope more widespread testing migh

发表于:2019-02-18 / 阅读(176) / 评论(0) 分类 英语新闻

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(237) / 评论(0) 分类 人物杂志
学英语单词
-arino
1-docosanol
ai chi
alkylate fractionator
anguilla australis
at a single jet
bad sign
balancacele
Bang Pla Soi
brenz-catechin sulfuric acid
cache-line
celiptium
compositionfactors
continuous flow press
decision making function
demineralizing plant
diimide
double-reduction gear
drilling engineering
economize on social labor
eiga
ever-narrower
fact-gatherings
fernald
fire detection device
fire-resistive floor
food borne disease
gatun
gets him
globosum
going away
gooral
grande comore (comoro i.)
gromet
groove with variable depth
Haygarth's nodes
horizontal single action presses
hybrid alford
in-growings
ionithermies
isopropyl thiocyanate
Isthmus glandulae thyroideae
Kell factor
Kharuta
kubert
lacta
latane
laxadaisical
lemon-wood trees
liquidity preference theory of interest rate
macular photostress test
matching coaxial cable
meritedly
methylchromone
mid ocean ridge
N-acetyl-homoserine
nipponoscala aureomacalata
oblater
occipito-mastoid
organic-moderated reactor
panchromatic monochrome television camera
papillo-adenocystoma
periodic increment
petraries
planning policies
plant out
pleistocene refuge
porcelain basal bodies
port-level
projection mask aligner
proof mass
pyracanthas
regional headquarters
reobserved
Sannan
smootheth
sonofabitches
space-division switching
special additional risk
spheroidizing medium
Spirulina
splash plate
storax pill
supersocieties
supracoracoid foramen
synchronies
syndrome of qi sinking
take-off vertical lever
there but for the grace of God go I
thermostatistical
to drop asleep
transformer-secondary voltage
triple-clamp bolt
turmoiling
twelve-point nut
unflexed
updraft grate
uranium red
uretica
Usvyaty
winnebagoes
Zamami-jima