异戊苯

The UN refugee agency says it is worried about the security of people living in isolated villages near the former conflict zones of Georgia. It says some 2,300 people from villages in the buffer zone between the Georgian town of Gori and the breakaw

发表于:2018-12-16 / 阅读(165) / 评论(0) 分类 VOA标准英语2008年(八月)

What about sleep? In slow-wave deep sleep, our glial cells rinse cerebral spinal fluid throughout our brains, 关于睡眠呢?在慢波深度睡眠时,我们的神经胶质细胞冲洗着我们大脑中的脑脊液, clearing away metabolic wast

发表于:2018-12-18 / 阅读(102) / 评论(0) 分类 TED演讲国际问题篇

So what happens when amyloid plaques accumulate to this tipping point? 所以当淀粉样斑块积累到临界点后会发生什么? Our microglia janitor cells become hyper-activated, releasing chemicals that cause inflammation and cellular damage

发表于:2018-12-18 / 阅读(142) / 评论(0) 分类 TED演讲国际问题篇

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(123) / 评论(0) 分类 TED演讲国际问题篇

This is Scientific American's 60-Second Science. I'm Karen Hopkin. This will just take a minute. Its like the molecular version of the Joker and the Riddler teaming up against Batman. Scientists at Yale University have discovered that amyloid beta, a

发表于:2019-01-08 / 阅读(161) / 评论(0) 分类 Scientific American(三)月

This is Scientific Americans 60-Second Science. Im Sophie Bushwick. Got a Minute? What's the best way to find out if an unknown mixture contains a specific substance, like an environmental contaminant? You could use an expensive, bulky gas chromatogr

发表于:2019-01-08 / 阅读(168) / 评论(0) 分类 Scientific American(八)月

VOICE ONE: This is SCIENCE IN THE NEWS, in VOA Special English. I'm Bob Doughty. VOICE TWO: And I'm Faith Lapidus. Today we tell about Alzheimer's disease. One century after its discovery, the cause of the disease is still unknown. (MUSIC) VOICE ONE:

发表于:2019-01-11 / 阅读(107) / 评论(0) 分类 VOA慢速英语2007年(一)月

The latest developments in research into the most common form of dementia. Transcript of radio broadcast: 09 June 2008 VOICE ONE: This is SCIENCE IN THE NEWS in VOA Special English. Im Faith Lapidus. VOICE TWO: And Im Bob Doughty. Today we tell abou

发表于:2019-01-11 / 阅读(153) / 评论(0) 分类 VOA慢速英语2008年(六)月

FAITH LAPIDUS: This is SCIENCE IN THE NEWS, in VOA Special English. Im Faith Lapidus. BOB DOUGHTY: And Im Bob Doughty. Today we tell about Alzheimers disease. More than a century after its discovery, Alzheimers disease is still destroying peoples bra

发表于:2019-01-12 / 阅读(157) / 评论(0) 分类 2011年VOA慢速英语(二)月

By Carol Pearson Washington, DC 29 May 2006 watch Autism Gene report Researchers at the University of Texas Southwestern have been able to genetically change mice so their behavior is similar to some people with autism. The researchers hope their di

发表于:2019-01-13 / 阅读(206) / 评论(0) 分类 2006年VOA标准英语(五月)

New research suggests a relatively simple blood test might make it possible to predict who is at a higher risk for developing dementia. The most common form of dementia is Alzheimer's Disease, and currently, it can only be definitively diagnosed in a

发表于:2019-01-14 / 阅读(150) / 评论(0) 分类 VOA标准英语2011年(一月)

MRI-like Scan May Help Identify Alzheimer's Alzheimer's disease normally gets a definitive diagnosis only after the patient dies, and an autopsy finds certain distinctive structures in the brain. Recently, though, scientists have been seeking some so

发表于:2019-01-14 / 阅读(139) / 评论(0) 分类 VOA标准英语2011年(八月)

RACHEL MARTIN, HOST: There was a gathering here in Washington, D.C. last week that had nothing to do with the inauguration or with politics. It was an occasion for matchmaking, although not a romantic kind. Here, farmers got set up with chefs in an e

发表于:2019-01-16 / 阅读(183) / 评论(0) 分类 2017年NPR美国国家公共电台1月

Sleep. It's something we spend about a third of our lives doing, but do any of us really understand what it's all about? Two thousand years ago, Galen, one of the most prominent medical researchers of the ancient world, proposed that while we're awak

发表于:2019-01-24 / 阅读(182) / 评论(0) 分类 英语语言学习

By Melinda Smith Baltimore, Maryland 05 September 2006 watch report Celiac Disease For thousands of years, human beings have suffered from a genetic disorder that has received attention only in the last few decades. The disorder is called celiac dis

发表于:2019-01-26 / 阅读(258) / 评论(0) 分类 2006年VOA标准英语(九月)

HEALTH REPORT - New Method to Find Alzheimer's Disease By Jerilyn Watson Broadcast: Wednesday, February 04, 2004 This is the VOA Special English Health Report. A computer picture of a brain affected b

发表于:2019-01-30 / 阅读(150) / 评论(0) 分类 健康与经济

HEALTH REPORT - New Alzheimer's Drugs Tested By Cynthia Kirk Broadcast: Wednesday, August 04, 2004 This is Phoebe Zimmermann with the VOA Special English Health Report. Researchers say two experimenta

发表于:2019-01-30 / 阅读(106) / 评论(0) 分类 健康与经济

Indoor air pollution is a common threat to human health, the new study looked at five common house plants and found that when it comes to removing harmful chemicals from the air, those five plants are better than others. 室内空气污染对人类健康

发表于:2019-02-07 / 阅读(160) / 评论(0) 分类 阅读空间

Let's begin by looking at what we currently understand about the neuroscience of Alzheimer's. 让我们先看看目前神经学上对老年痴呆的了解。 Here's a picture of two neurons connecting. 这是一张两个神经元连接的图。 The p

发表于:2019-02-13 / 阅读(143) / 评论(0) 分类 TED演讲国际问题篇

本期内容: A humble houseplant with a dash of rabbit DNA could help lower our exposure to indoor air pollution, new research suggests. Scientists have revealed that by inserting a rabbit gene into devils ivy the plant is able to clean the surrou

发表于:2019-02-20 / 阅读(135) / 评论(0) 分类 夏说英语新闻晨读
学英语单词
adhesion of diaphragm
ahakhav
apparent output
arrested gambler
artificial fuel
bathycalanus richardi
be cast in mould
bloke
boarder
bountys
budgetary criterion
caput natiforme
catarrhed
Ceel Garas
center filler
chalcone
champiaceae
changchub
chinese society of mechanical engineers
colloidal crystal
continuous flash coking
cottar
debloating
deoxidates
duport
eastern hemispheres
electrochemical thermodynamics
electroneutrqlity principle
entrepreneurial trait school
eventified
fauchons
feny
fibred asbestos
fibrous bone
fish-gathering forest
flyingoff
force body
fulfillers
galipine
gave a wide berth
gorsky
gynogenesis(wilson 1925)pseudogamy
heterolysins
hypogravics
integrated square
intra-groups
kalipyroxenite
King's stain
live pit
locking block
lovey-dovey
maryon
merleau
merrithews
NADF
native products
negotiate with
nonofficials
nonstandard item
octibbehite
on-line program
operability index (01)
order disorder
partial oxidation reaction
pellegendas
phyllosticta zallbruckneri b(a)umler
physical constant
piggiest
polypus carnosus
pre compiler
primary Gothic
radicalisin
rainbow runners
read law
rebound strap
rectangular waveform
reionize
revel-routs
rigorize
rust preventive extreme pressure cutting oil
Satellite launchings
self-heal
sight window
Speciadopa
Spirillocidal
status engaged
steam corrosion-resistant alloy
subcharterer
surface-active cation
teaze
thalassoceratids
the way to
tinto hill
transient voltage regulation
two-loop servomechanism
ubiquitin-like
vaporosity
veronite
vessel's navigation right
Vinn.
wall column
water based adhesive