星系演化

17.Evolution of sleep Sleep is very ancient. In the electroencephalographic sense we share it with all the primates and almost all the other mammals and birds: it may extend back as far as the reptiles. There is some evidence that the two types of s

发表于:2018-11-27 / 阅读(979) / 评论(0) 分类 新概念优美背诵短文50篇

I learnt all about evolution when I was about ten years old. I remember it clearly. I thought it was amazing. My mind was full of images of strange creatures crawling out of a green, soupy lake. Fish that had somehow developed legs and the ability to

发表于:2018-12-04 / 阅读(359) / 评论(0) 分类 听一分钟英文-E

VOICE ONE: I'm Steve Ember. VOICE TWO: Charles Darwin And I'm Barbara Klein with EXPLORATIONS in VOA Special English. This month is the two hundredth anniversary of the birth of one of the most influential thinkers in science history. Charles Darwin

发表于:2018-12-07 / 阅读(422) / 评论(0) 分类 VOA慢速英语2009年(二)月

Sleep is very ancient. In the electroencephalographic sense we share it with all the primates and almost all the other mammals and birds: it may extend back as far as the reptiles. There is some evide

发表于:2018-12-15 / 阅读(481) / 评论(0) 分类 新东方背诵文选

This is Scientific Americans 60-Second Science. Im Cynthia Graber. This will just take a minute. Its a plotline worthy of an action filmgalaxies, violently torn apart, smashing into one another, leaving remnants of themselves behind billions of years

发表于:2018-12-24 / 阅读(341) / 评论(0) 分类 Scientific American(六)月

This is Scientific American's 60-Second Science. I'm Steve Mirsky . Got a minute ? Creationists often publish lists of a few dozen scientists who doubt Darwin. So in 2003, the National Center for Science Education put together a list of 200 scientist

发表于:2018-12-24 / 阅读(374) / 评论(0) 分类 Scientific American(二)月

I learnt all about evolution when I was about ten years old. I remember it clearly. I thought it was amazing. My mind was full of images of strange creatures crawling out of a green, soupy lake. Fish that had somehow developed legs and the ability to

发表于:2018-12-26 / 阅读(350) / 评论(0) 分类 纯正英语一分钟

Questioning the universe Stephen Hawking There is nothing bigger or older than the universe. The questions I would like to talk about are: one, where did we come from? How did the universe come into being? Are we alone in the universe? Is there alien

发表于:2018-12-28 / 阅读(343) / 评论(0) 分类 跟希哥学英语

SCIENCE IN THE NEWS - Evolution and Intelligent Design By Jill Moss Broadcast: Tuesday, March 15, 2005 (MUSIC) VOICE ONE: This is SCIENCE IN THE NEWS, in VOA Special English. I'm Sarah Long. VOICE TWO

发表于:2019-01-04 / 阅读(380) / 评论(0) 分类 科技之光

Don Gonyea: After 17 days of skiing, skating, sliding and yes, even a little doping , the Winter Olympics end today. For NPR sports correspondent Tom Goldman, the Turin Games are the seventh Olympic he has covered. Looking back, he has this essay on

发表于:2019-01-04 / 阅读(459) / 评论(0) 分类 2006年NPR美国国家公共电台

AMERICAN MOSAIC - In a Galaxy Far, Far Away, 'Star Wars' Comes to an End By Nancy Steinbach and Caty Weaver Broadcast: Friday, May 27, 2005 (MUSIC) HOST: Welcome to AMERICAN MOSAIC, in VOA Special Eng

发表于:2019-01-07 / 阅读(478) / 评论(0) 分类 American Mosaic

We usually think of evolution as something that happens over eons, in remote places where people rarely venture. Not something that happens around the backyard birdfeeder in just a few decades. But a study in the journal Current Biology suggests that

发表于:2019-01-08 / 阅读(386) / 评论(0) 分类 Scientific American(十二)月

Explorations - Great Thinkers: Charles Darwin and Evolution STEVE EMBER: Welcome to Explorations, in VOA Special English. I'm Steve Ember. This week, Barbara Klein and I tell about one of the most influential thinkers in science history. Charles Darw

发表于:2019-01-12 / 阅读(400) / 评论(0) 分类 2011年VOA慢速英语(十一)月

Shaping Human Evolution at the Smithsonian 史密森尼美国博物馆塑造人类进化过程 Welcome to American Mosaic from VOA Learning English. Im June Simms. Today on the show, we visit a museum where art and science help tell the story of huma

发表于:2019-01-12 / 阅读(366) / 评论(0) 分类 2014年VOA慢速英语(四)月

ROBERT SIEGEL, HOST: Biologist Jonathan Losos and I have at least one thing in common - we were both blown away by the late paleontologist Stephen Jay Gould's 1989 book Wonderful Life. Gould saw evolution as being all about odd contingencies, acciden

发表于:2019-01-16 / 阅读(424) / 评论(0) 分类 2017年NPR美国国家公共电台9月

Decades After An Iconic Protest, Tommie Smith Has Something Else On His Min play pause stop mute unmute max volume 00:0004:48repeat repeat off Update Required To play the media you will need to either update your browser to a recent version or update

发表于:2019-01-16 / 阅读(355) / 评论(0) 分类 2016年NPR美国国家公共电台9月

Backyard Feeders Driving Bird Evolution A study in the journal Current Biology finds that backyard bird feeders in Britain are responsible for splitting central European blackcap warblers into two distinct populations that may be on their way to beco

发表于:2019-01-30 / 阅读(602) / 评论(0) 分类 60秒科学

Multi-media website explores human evolution Rosanne Skirble | Washington, DC 07 May 2010 'What's Hot in Human Origins' keeps you up-to-date on recent studies and research in the field. The human origins website at www.humanorgins.si.edu poses the ag

发表于:2019-02-02 / 阅读(368) / 评论(0) 分类 VOA标准英语2010年(五)月

Lord Mayor of the City of London: China's Stock Market "Hiccup" Part of Market Evolution In a press briefing with journalists on his planned visit to China next week, the Lord Mayor says it is a common episode in any emerging market to have overb

发表于:2019-02-13 / 阅读(387) / 评论(0) 分类 2015CRI中国国际广播电台

Since launching in December, China's Dark Matter Particle Explorer (DAMPE) Satellite Wukong has detected 460 million high energy particles, and sent about 2.4 Terra Bytes of raw data back to Earth. Chinese Academy of Sciences senior satellite enginee

发表于:2019-03-04 / 阅读(387) / 评论(0) 分类 2016CRI中国国际广播电台
学英语单词
abrupt pipe expansion
adjani
Al 'Uqaymah
Alces alces
ampersands
anonymization
attenuation kernel
beaglers
breaker plow
budget hearings
bulbocavernosus
careen l.
case and point
central nervous system physiology
Cerinthus
classical electrodynamics
clypeosectid
cobalt(ii) cyanide
concentrate egg
continuous threading
cotton brush fringe
count area
counter-cultural
Crofton
Cryptorrhynchus insidiosus
cystathionyl
Dangouadougou
delayed phosphorescence
differential concentration
dividers method
dry one's tears
dry solution
Eastern European Time
equalizing connection
feclemine
feel like death warmed up
first battle of ypress
flavorizer
free wheel device
free-speaking
full custom IC
gaggingly
Galilean invariance
genus trichoglossuss
goods mark
granuloma malignum faciale
hard flour
have ample food and clothing
haven't lived
heart condition
high positioned defect
hose car
infantile henia
installment policy
iviews
L'vovskaya
lac encrusted twig
laryngotracheobronchoscopy
low pressure adjusting screw
microzonation
Mother of Parliaments
NAD-pyrophosphorylase
New English Dictionary
next time
nongymnasts
noseplug
Novopetrovskoye
offer something up
orbital weight
oscillating meter
pencilled in
Phycobacteriacea
praw one's pen against something
preliminary cleaning sieve
progose
prosaicalness
ramp for climbing
reign over
representants
reule
reverse battery
sedexes
Sigma-Tau
simulation of manned system
single stranded electrode
specialized bank
specific-speed
splanchnopleures
spreader blade
Strongylus gigas
tearing
th'
tolysal
ultrasonic flow detector
unnetworked
vapour phase spectrum
VLBC
water-borne transport
wild winterpeas
xylarates
Zabaykal'sk
zero Energy thermonnuclear apparatus