[网络] 四川凤仙花

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(148) / 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(172) / 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(171) / 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(149) / 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(184) / 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(164) / 评论(0) 分类 万物简史
学英语单词
a state of siege
aegirine-granite
aeriality
agog-
anagnost
aphanite
arcade
aural user interface
autoserum
aviles
barium fluoride laser
bearing oil system
beer o'clock
beta stock
blastophyllum
board or asbestos cement
buchiids
buty octadecanoate
bypath meter
capsula
cast system
cementing truck
chromium oxide tape
CISC (complex instruction set computer)
constant warm tube
CTTL (complementary transistor-transistor logic)
deonyms
DESTOLIT
didions
dolomite block
due consideration
Einstein model
equivalence string
Esposito, Phil
fadeless
failure-mode
fingerweb
flap down
flesh to flesh
focaccia
frequency wobbling
front vertical lever
frosted over
funiculus (pl. -li)
gencor
geometrical isomer(ism)
give a straw
glycerin-alpha-monoisoamyl ether
hand-loomed
hemerdons
illacrimation
immixed
ion saturation current
ionaccelerator
koestal
linimentum picis
longitudinal accelerometer
longitudinal bending fold
M.K.S. units
macro-element
mass-murders
memory examination
micro-tumor
mural aneurysm
n-butanal
needle raising cam
neutrino parents
non-crystalline solder glass
numbings
optical fiber communication reliability
pancreatic ferment
pannonica
parameterized linear statistical model
pass through partition connector
phytonymy
plasma-pump
postgenal
pyruvonitrile
reduced basis
reinstate offers
sawdering
Schuschnigg, Kurt von
Schärding
Sepatren
serological defined antigen
sifting sort
starting frame
stonewallings
subview
succinylations
switch dealing
testamentary succession
time will tell
to someone's honour
two-overcoat
unpilled
Vanbrugh, Sir John
vertical magnetometer
waterproofing compound
weisinger
Wongalarroo L.
Yandǒk-gun