n. 中甸凤仙花

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
abstract coding
abstract mathematics
Ackroyds
adaptive automatic equalizer
anticipated inflation series
anticollision display
availability of funds
banking firm
batteries
bi-racial
blank telescope
blind as a bat
block wise decoding
bright emitter valve
bromine dioxide
carlyons
charges for using winch
chemogalenic
cicatricial nodule
coerced
controllable silicon controller
corn-hoarder
covinously
cross-shot
deficient pathogen
design award
double-books
doughfacism
Downsview Airport
dseg
energy-giving
ensheathing callus
equivolume inclinations
extrahepatic
fractional-ownership
fringedrift
gelatin desserts
gemming
genus pituophiss
get ... eyes on
go off on a tangent
have a memory like a sieve
hezzy
individual-level health problem
inflatable dam
isohelenol
ixos
Karanj
kengsengmycin
Kholoy
knife colter
knight rider
leptoseris explanata
LUSL
magnesite chrome brick
marumis
memon
microwave tube oscillator
military command system
molecular dimer
Narnaviridae
nconicotine
non-communal
Noshul'
Numpad
obesify
output puncher
parallel of latitude
petroleum asphalt
Piaski
pimethixene
power-fail circuit
presences of mind
pressure actuated
progressive deviation
Quatre Cocos, Pte.
re-covering
rectified alcohol
restgown
rubber bearing plant
salution
sea-baseds
sericitize
shilly shallies
short-tempered
shui-bian
shuttle through
sideboys
sintering distortion
soft-shelled turtle (pelochelys bibroni)
subsphenoidal
the rolling stones
three-stand tandem mill
tuscumbia
unassigned variable
unbiased importance sampling
understrapping
unlawful adventure
untrashy
ut dictum
viola blandas
walketh