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This is scientific Americans 60 second science, I am Sophie Bushwick. got a minute. Tens of millions of years ago, cephalopods were hiding from their enemies in clouds of ink. And it turns out that cuttlefish today produce ink thats almost identical.

发表于:2018-12-24 / 阅读(68) / 评论(0) 分类 Scientific American(五)月

(WA) Human populations near the equator have evolved dark skin over many generations because of exposure to the fierce rays of the Sun. A similar phenomenon has also occurred in other parts of the animal kingdom. The African grass mouse is a good ex

发表于:2018-12-30 / 阅读(87) / 评论(0) 分类 托福听力短文

AS IT IS 2015-12-06 Santa Fe: The City Different When American officials established U.S. Route 66 in 1926, the road cut right through the southwestern city of Santa Fe, New Mexico. For 11 years, Route 66 travelers passed through Santa Fe, known as t

发表于:2019-01-03 / 阅读(109) / 评论(0) 分类 2015年VOA慢速英语(十二)月

发表于:2019-01-03 / 阅读(112) / 评论(0) 分类 医务英语

Gene Therapy Cures Color-Blind Monkeys In a study in the journal Nature, researchers report that they have used gene therapy to cure a form of color-blindess in adult squirrel monkeys that lack a visual pigment. Karen Hopkin reports Now, heres somet

发表于:2019-01-07 / 阅读(118) / 评论(0) 分类 60秒科学

Now, heres something you dont see every day: scientists cure color-blind monkeys. According to a report published online in the journal Nature, researchers have used gene therapy to allow color-blind squirrel monkeys to look at their fruit in a whole

发表于:2019-01-08 / 阅读(103) / 评论(0) 分类 Scientific American(九)月

Imagine Van Gogh's paintings of yellow sunflowers. Now imagine the flowers brown. Eh, not so good. Sadly, we may someday see what that would look like. Because the bright yellow paints on the canvas are slowly turning muddy. Now, an international tea

发表于:2019-01-08 / 阅读(93) / 评论(0) 分类 Scientific American(二)月

Hi, its Kasey-Dee Gardner for Why? Tell Me Why? This week we received a question about baby eye color. The question was why are most babies born with blue eyes?. And I wasnt sure that was a true statement, but it is in fact a true statement. Actually

发表于:2019-01-09 / 阅读(85) / 评论(0) 分类 自然百科2009年

Broadcast: May 6, 2003 By Caty Weaver VOICE ONE: I'm Sarah Long with Bob Doughty, and this is the VOA Special English program, SCIENCE IN THE NEWS. VOICE TWO: Today, we talk about some disorders of th

发表于:2019-01-11 / 阅读(162) / 评论(0) 分类 VOA2003(上)-健康资讯

VOICE ONE: This is SCIENCE IN THE NEWS in VOA Special English. I'm Barbara Klein. VOICE TWO: And I'm Bob Doughty. Today, we will tell about some disorders of the skin, and ways to treat them. (MUSIC) VOICE ONE: Skin. It is the largest organ of the b

发表于:2019-01-11 / 阅读(130) / 评论(0) 分类 VOA慢速英语2007年(四)月

Sea Life Color Codes Food to Evade Danger The ocean glows with undersea life which makes its own light. These animals living on the ocean floor, beyond the reach of sunlight, have evolved this bioluminescence for camouflage, to find mates or to repel

发表于:2019-01-13 / 阅读(99) / 评论(0) 分类 VOA标准英语2012年(九月)

Autumn Leaves Show Their True Colors As days grow shorter and nights grow cooler in Boulder, Colorado, the green leaves of summer have been putting on party colors. On cottonwood trees and aspens, theyre golden yellow coins. On Mapleton Avenue, the m

发表于:2019-01-13 / 阅读(132) / 评论(0) 分类 VOA标准英语2011年(十一月)

Kinetic artist Carlos Cruz-Diez was born and raised in Caracas, Venezuela, but has spent half of his 87 years in Paris. There he developed a worldwide following for works that challenge how we see color. His illusion-filled pieces are now on display

发表于:2019-01-14 / 阅读(103) / 评论(0) 分类 VOA标准英语2011年(二月)

Now, heres something you dont see every day: scientists cure color-blind monkeys. According to a report published online in the journal Nature, researchers have used gene therapy to allow color-blind squirrel monkeys to look at their fruit in a whol

发表于:2019-02-04 / 阅读(81) / 评论(0) 分类 六分钟英语

It may seem hard to believe that such an unusual looking animal has remained hidden for so long. 世界上存在如此相貌罕见而不为人知的动物,这似乎有点难以置信。 But scientists have only just discovered a new species of elep

发表于:2019-02-05 / 阅读(101) / 评论(0) 分类 英语新闻

At this rate, scientists will have to come up with a better description for the tomato than mere 'superfood'. While it has long been credited with cutting cholesterol and preventing some cancers, the fruit now appears to have two more healthgiving be

发表于:2019-02-06 / 阅读(90) / 评论(0) 分类 阅读空间

Hilary Duff - Come Clean Come Clean Hilary Duff Let's go back Back to the beginning Back to when the earth, the sun, the stars all aligned 'Cause perfect didn't feel so perfect Trying to fit a square into a circle Was no life I defy Let the rain fall

发表于:2019-02-08 / 阅读(94) / 评论(0) 分类 好听的英文歌曲

Your teenage son wrecks the car. Your daughter shows up with her recently paroled boyfriend. These are the sorts of things that can make your hair turn gray overnight. Actually, it's impossible for hair to completely change color overnight. Hair colo

发表于:2019-02-16 / 阅读(86) / 评论(0) 分类 英语听力文摘 English Digest

WASHINGTON, Nov. 14 (Xinhua) -- Nearly a fifth of all Americans 12 years or older have hearing loss so severe that it may make communication difficult, according to a new study led by Johns Hopkins University researchers and published Monday in the A

发表于:2019-02-18 / 阅读(112) / 评论(0) 分类 英语新闻

Q: What is the saddest truth about life? 生活中令人沮丧的真相是什么? 获得9.5k好评的答案@Dushyant Bhati Half the world's starving; the other half is trying to lose weight. 世界上有一半的人正在挨饿,另一半的人却在

发表于:2019-02-18 / 阅读(95) / 评论(0) 分类 阅读空间
学英语单词
Aalburg
acetimidoquinone
agrophyte
ambassis vachellii
ammonium hydrogen fluoride
antigram
arguers
ass-licking
barsine callorufa
beta plus
board joint
canaliculi reuniens
carrier culture
celi(o)-
centrifugal roll casting
Cheremshanka
confirmation names
control voltage
cumulative dividend
cute as a button
data description library
DeWitt Clinton
didnae
electrode overvoltage
end girth
entrenous
ethanedisulphonate
external auditory foramina
farming areas
fixed refrigeration plant
flat countersunk head rivet
free choice of partners
fulgurated
full stop
giant circle (whirlaround swing)
goodsir
gratinee
green spleenworts
hearing threshold difference
hog bung
image dividing optical system
in a blaze
infantile beriberi
infinite subsequence
innominate bones
internal point of division
jamabandi
l-xyulose reductasedeficiency
lamp globe
large-duty
laubanite (natrolite)
lavaging
lennan
lolly scramble
Lubero
margaree
meat cutterunloader
MHL Consortium
microclimatic effect
Mořkov
mucoendosteal
n.w.s
neck eels
oloron
overprescribing
packet network communication
pasachoff
phloem sheath
pointing control
prehnite-pumpellyite facies
procles
profit ratio of capital
quantum collision
recepts
recoding raingauge
reevesia thyrsoidea lindl.
relative seasonal fluctuation
scattered ice
service protocol identifier
sparse addressing
speck yarn
speculation arbitrage
superconductivity supraconductivity
superexcrescence
support arm
tack cringle
taxonomists
tentmaking
threadbare
top limit
toxinic poisoning
treated oil
tribal dance
triennials
unit status information
universal theory of crime
unmodulated continuous wave
urea-formaldehyde foam
valve remote emergency shut-off mechanism
weathering of rock mass
wet pan milling
whore's baths