n. 婺源凤仙花

As you've probably experienced firsthand, some mosquito species have a real taste for warm, human blood. So much so that if you raise them on it the lab, they'll accept no substitute. Fortunately, I don't get major reactions at all. Brad Main is a mo

发表于:2018-12-24 / 阅读(63) / 评论(0) 分类 2016年Scientific American(九)月

We humans are known to help out members of our own families. When it comes to business we call it nepotism. Now plants have demonstrated the same predilection, in a study published in the American Journal of Botany. Previous research showed that plan

发表于:2018-12-24 / 阅读(87) / 评论(0) 分类 Scientific American(十一)月

ROME, Dec. 3 (Xinhua) -- Italy lacks the necessary energy(能量,活力) and strength for an economic revival while unemployment and poverty are on the rise, warned a report issued Friday. The 44th edition of the Censis think tank social survey, the

发表于:2019-01-19 / 阅读(85) / 评论(0) 分类 英语新闻

In Africa's battle against malaria, two low-tech tacticsinsecticides and bed netshave done a decent job killing off mosquitoes. But it's mainly one species that's been affected. That's a species called Anopheles gambiae, sometimes called the African

发表于:2019-01-20 / 阅读(69) / 评论(0) 分类 2016年Scientific American(八)月

Plants Share Light If Neighbor Is Related A study in the American Journal of Botany finds that plants can tell if they're next to a relative and will grow to allow the kin more access to light. Cynthia Graber reports. We humans are known to help out

发表于:2019-01-30 / 阅读(97) / 评论(0) 分类 60秒科学

You might not think there would be that many people in the world prepared to devote lifetimes to the study of something so inescapably low key, 你或许会认为,世界上不会有多少人愿意花毕生的心血来研究那个不起眼儿的东西

发表于:2019-02-21 / 阅读(75) / 评论(0) 分类 万物简史
学英语单词
a FUPA
acute increase in intraocular pressure
advanced reentry system
amylic alcohol
anneal(ing)
annular
automatic pipette
balkenende
barebutt
belt-type spindle picker
binary channels
bookies
breakaway force
centrebit
Chad Basin
chlorops canaliculata
cirples
Cocos Island
columbary
completement
copying planer
corpus adiposum
cotton lamp wicks
coursed rockfill
crisis marketing
cryogenic magnetometer
cryptogonus angusticarinatus
dacryocystocele
depravative
Dodartia orientalis
earned surplus reserve
easternize
eloigns
ethrisin
Excess kurtosis
exhaust valve stem
fibrae dentatothalamicuae
flume crossing
fluted force-feed drill
fooled away
fore-gangway
free beating
free from encumbrance
frozen seal pump
genus Gomphotherium
glai
Gonorhynchidae
grass resources
have a lash at
idti
industrial management society
intrinsic articulation
Kazakh SSR
large convection
Licking County
light-duty lathe
lose market
mathematical engineering analysis
merger partner
mesels
metagglutinin
microballoons
mordant color
multipleloop servomechanism
nano-decomposition
native trait
neon-xenon laser
node house
Offa's Dyke
PCFS
pendant earring
pieces of leather
proportion of deformation
prosthetists
pryme
pucciniosira clemensiae
Pyhra
pyrolytic incinerator
rate of accumulated freight damage
repairing charges
Ricci equations
routing level
schtetl
seal bushing
sell someone on something
shit-stirrers
short-circuiting device
sibylic,sibyllic
sinuses transversus
sodium caprate
steam power plant
Streptococcus conglomeratus
swing room
syllable-timed
tele-electromyography
telli
triethylenetetramine
Uncaria hirsuta
undercommented
Virchow
Whitney's theorem
whiz