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(46) / 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(48) / 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(54) / 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(64) / 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(68) / 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(73) / 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(114) / 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(99) / 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(114) / 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(277) / 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(79) / 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(58) / 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(49) / 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(53) / 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(116) / 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(55) / 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(59) / 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(132) / 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(71) / 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(133) / 评论(0) 分类 人物杂志
学英语单词
a bowl
abstractest
advanced thermal converter reactor
Aedes yunnanensis
air coupling
annelle
anti-avoidance clause
antipoints
blending composition
budrugainine
butylidene ethylene
carotis externa arteria
catastrophe cover
cathode deposition
chief medical officer
cntropy
coinjected
collapsible(sable)
contact interface
converter pressure regulator valve
De Behagle
direct recorder
dirt-bird
discrete transistor
Djambala
elastotonometer
electrobalance
electrostatic process
escrutoire
Ettersburg
fair-weatherer, Mount
Fauvillers
fearsomer
fine setting
follow in sb.'s steps
fracture of petrous pyramid and mastoid
fund for industrial investment
gamma spectrometer in borehold
ganglioblockers
genus conuropses
genus droseras
geologic joint
glassy diabase
glycostatic action
guiding telescope
gynephile
Haarlemer
high-contrast plate
illuminating
inactive solvent
index rule
infamatory
innovational
intensity change
intermediate journal
japonismes
kilo-siemens
kinetophonograph
kitchenmiad
lipoidal
luces
mediscare
Melanogrammus
mend your ways
merchandise priced below cost
metal-oxide-semiconductor reagent
monosyllabic word recognition
Mrs. Humphrey Ward
non-analytic job evaluation
Norreis
offcasting
one-side cab
oval kiln
paste form of dye
pedestrianizations
personal capital
pituitotropism
population biology
power cable insulation testing
power walls
railsides
Roman question
rosanilline
roura
scattering electron
shorten symbol
shrink-proof
Simonianism
simultaneous thermal analysis and mass spectrometry
sleazing
sport history
suffosion
Suhdamine
sulphocyanide
supraglenoid tubercles
Talalay process
tantalization
the biggest toad in the puddle
Tortonian Age
turespanas
uninsulated tube
wavelet analysis