[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(141) / 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(164) / 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(165) / 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(143) / 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(180) / 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(160) / 评论(0) 分类 万物简史
学英语单词
absolutamente
access tiering
aere perennius
bada bing bada boom
be ascribedd to...
beading planes
booming engineering
breakax
catalysator
cement gun
changes in market values
cock-and-hen
dermatographia
deviation dispersion
diet low-sodium
distribution education
door-ways
ecphma
efrom
Erisort, Loch
escort force
firewomen
freight rate
gamma raies
genus Asphodeline
genus Nyssa
gladliest
greasenut
Grove Center
hair-less
have it in one
heart yarn
hop-seed oil
hourlies
impingement syndrome
in-pentahedron
income gain
initial amplitude
instamped
integrated decision support system (idss)
inverse curve
issue coverage
Kauri-gum
leaf-cutting
lock facility
Luozhen
lymph sinuses
m?bius inversion formula
malnourishing
mass concrete
middenlands
mine dredger
mnning
motor cab
multi-play
naysaid
new institutionalism
non metallic element
off licence
opto-coupler
outcreep
Pavlikeni
pea soup
performance goal
personality transformation
phosphorus triiodide
plain antenna transmitter
PLPO
primary glider
pseudomassaria cyclobalanopsidis
questioning and probing response
Rabak
radar wave packer
raml malleolares mediales
right-foot
rising magnetization curve
salvings
Santorini's lahyrinth
screenwashing
semi finishing mill
shelf stand
skeleton branch
ski lifts
soil fertility factor
spring buckle
stone extractor
storeroom layout
strengthen management
suction type suspension load sampler
surface target
swinging wet masher
Taraxacum pseudocalanthodium
tearing tester
teleiophile
tonal gap
triple prism
true torsional strength
uragogue
Wamunyu
Watling-street
waver in determination
zinc coating