进化种

February the 12th is Darwin Day. It is to celebrate the anniversary of the birth of Charles Darwin on February 12, 1809 and his life as a scientist. This day also aims to encourage children to get into science. Darwin was one of the worlds greatest s

发表于:2018-12-04 / 阅读(133) / 评论(0) 分类 英语课程学习计划和讲义

It's got to be philanthropic, because profits distract biotech, 这些研究的钱的来源最好是慈善,因为利润会分散生物技术研究公司的注意力, but it's basically got a 90 percent chance, I think, of succeeding in this. 但我

发表于:2018-12-05 / 阅读(179) / 评论(0) 分类 TED演讲科学篇

Origin of Species and Darwin 物种起源与达尔文 Charles Darwin was the British naturalist who became famous for his theories of evolution and natural selection. Like several scientists before him, Darwin believed all the life on earth evolved o

发表于:2018-12-18 / 阅读(126) / 评论(0) 分类 走进剑桥大学

This is Scientific American's 60-Second Science, I am Cynthia Graber. This'll just take a minute. For the last five years, researchers have been analyzing bird DNA. That effort has now completely altered our understanding of which bird species really

发表于:2018-12-24 / 阅读(160) / 评论(0) 分类 Scientific American(六)月

Two years ago, Duke University Medical Center researchers said that the supposedly useless appendix is actually where good gut bacteria safely hide out during some unpleasant intestinal conditions. Now the research team has looked at the appendix ove

发表于:2018-12-24 / 阅读(149) / 评论(0) 分类 Scientific American(八)月

Science and technology. 科技。 Exercise and addiction. 锻炼也会上瘾。 Fun run. 奔跑的奥秘。 People, it seems, have evolved to be addicted to exercise. 人类似乎在进化过程中对锻炼上瘾了。 AS THE legions of gym bunnies a

发表于:2018-12-31 / 阅读(201) / 评论(0) 分类 经济学人科技系列

> 58 菌类植物产生于几十亿年前 DATE=8/24/01 TITLE=ENVIRONMENT REPORT - Early Plant Study BYLINE=Cynthia Kirk (Start at 1’00” )This is Bill White with the VOA Special English ENVIRONM

发表于:2019-01-02 / 阅读(189) / 评论(0) 分类 自然探索

By David McAlary Scientists have discovered fossils of an ancient, tiny species of human in an isolated part of Indonesia. They are bones from what they say is a smaller version of the now extinct imm

发表于:2019-01-03 / 阅读(206) / 评论(0) 分类 VOA2004(下)--健康科技

Music is known to make us happy, or calm, or sad. But do other animals respond to dulcet tones, as well? In studies, our primate cousins prefer silence to our music. But maybe we were playing the wrong tune. Psychologist Charles Snowdon and musician

发表于:2019-01-08 / 阅读(139) / 评论(0) 分类 Scientific American(九)月

This is Scientific American's 60-Second Science. I'm Karen Hopkin. This will just take a minute. It's hard to feel a sense of urgency about climate changeit feels so slow. Well, try telling that to the critters dealing with it. Because new data sugge

发表于:2019-01-08 / 阅读(163) / 评论(0) 分类 Scientific American(十二)月

VOICE ONE: This is SCIENCE IN THE NEWS in VOA Special English. I'm Bob Doughty. VOICE TWO: And I'm Doug Johnson. November twenty-fourth marked the one hundred fiftieth anniversary of one of the most influential books ever written. Naturalist Charles

发表于:2019-01-11 / 阅读(258) / 评论(0) 分类 VOA慢速英语2009年(十二)月

New technologies aid in conservation efforts at the National Zoo Susan Logue Koster | Front Royal, Virginia 19 July 2010 The National Zoo opened a cheetah science facility in 2007 at its conservation center in Front Royal, VA. Cheetahs are considered

发表于:2019-01-13 / 阅读(111) / 评论(0) 分类 VOA标准英语2010年(七)月

New Species Might be Human Ancestor Fossils found in a South African cave might belong to a new species of early humans that holds a unique place on the evolutionary road to modern man. On a 2008 mapping expedition in Malapa, South Africa, American p

发表于:2019-01-13 / 阅读(153) / 评论(0) 分类 VOA标准英语2011年(九月)

Species Split When Mountains Rise生脉隆起导致生物多样化 The tropics are well known for their biodiversity. But another hotspot? Mountains. Like the Hengduan Mountains, in south-central China. 热带地区因为其生物多样性而为大家所

发表于:2019-01-20 / 阅读(144) / 评论(0) 分类 2017年Scientific American(四)月

Science and technology 科学与技术 Splay-footed, not flat-footed 不是扁平足而是八字足 A new fossil shows that evolution does not always mean change 新发现的化石显示,进化并不总意味着变化 Palaeontology 古生物学 The

发表于:2019-01-26 / 阅读(171) / 评论(0) 分类 经济学人科技系列

Science and Technology Palaeontology Splay-footed, not flat-footed 科技 古生物学 不是扁平足而是八字足 A new fossil shows that evolution does not always mean change 新发现的化石显示,进化并不总意味着变化 WHEN a coela

发表于:2019-01-26 / 阅读(180) / 评论(0) 分类 经济学人科技系列

When we lose reefs, we lose basically the cradles of evolution in the oceans. Wolfgang Kiessling A new study out this week highlights the role that coral reefs play in evolution, adding another reason to preserve these delicate, diverse, and often be

发表于:2019-02-02 / 阅读(159) / 评论(0) 分类 VOA标准英语2010年(一月)

It's the debate that has long divided animal lovers. Now scientists have confirmed that cats really are better than dogs at least from an evolutionary perspective. 一直以来,猫和狗哪个更好这一问题将动物爱好者划分为两大阵营。

发表于:2019-02-13 / 阅读(147) / 评论(0) 分类 阅读空间

Science and technology 科学技术 Exercise and addiction 锻炼也会上瘾 Fun run 奔跑的奥秘 People, it seems, have evolved to be addicted to exercise 人类似乎在进化过程中对锻炼上瘾了 AS THE legions of gym bunnies and jogging

发表于:2019-02-16 / 阅读(200) / 评论(0) 分类 经济学人科技系列

BEIJING, Sept. 14 (Xinhuanet) -- Scientists had discovered the fossils of a new species of ancient carnivorous fish, National Geographic reported Monday. The newly-found ancient fish, Laccognathus embryi, is a 1.8-meter-long predator, which was waiti

发表于:2019-02-18 / 阅读(275) / 评论(0) 分类 英语新闻
学英语单词
Adenocaulon himalaicum
aft end face of boss
anti-scour trench
beacom
Benmore Pk.
biforate
bipolar leads
brace in/to
butler matrix
call-ups
canapes
caper(s)
charge and discharge valve
clematis terniflora garanbiensis
cognetta
common plantar digital nerves
condenser throat
conical flask with ground-in glass stopper
continuous branching
contributour
crackerberry
crossed-action truss
cultural map
cunny-catching
curtesy
dance of marie magdaleine (france)
diazo stabilizer
differential pressure switch
diphtherial
dosis non-neutralisata
double-step write compensation
editorialization
effect of finite Larmor radii
Ejiao San
elderships
epiperipheral feeling
excess profit
extra-pure grade
floxes
genus Scincus
gets dressed
ground control survey of tunnel
GTBA
hand-to-mouth-purchasing
high bandwidth link
high performance resin
high purity antimony
hydrophlogopite
hyomandibular cleft
hyperbolic cotangent
incisas
inclination of roof
index of performance
instrument-panel lamp
leeden
line output transformator
Longton
loundering
Marble Halls
maximizing land power
measurement state
mercury film relay
mock romaine fabric
multiple line format
munstead
On your way!
pacific coasts
peroxide value
phrygian deities
plug-finishing bur
polysyphorin
porritts
previous job
public nuisance from blasting
qualitative variable model
racephedrines
rainbow bird
rediagnosing
reluctating
rood-screen
rotary current
roving antiaircraft gun
sampling device
scairce
shaikha
shear-type drill boom
shreddy
slapstick
slatterns away
South Koreans
steam ejection system
track booster
transverse property
trigonocephalic
usurpable
variable drop mechanism
virtuosa
Volosovo
voltaic photo-detector
webvertising
workcamps
written representation