Scientific American's Sixty

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发表于:2018-12-02 / 阅读(162) / 评论(0) 分类 未知分类

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发表于:2018-12-02 / 阅读(202) / 评论(0) 分类 未知分类

The little brown bat was once abundant in the eastern U.S. But within the last 15 years, a fungus called Pseudogynmoascus destructans infiltrated a cave in upstate New York. This fungus causes whats called white-nose syndrome in bats. The illness has

发表于:2018-12-02 / 阅读(163) / 评论(0) 分类 未知分类

When I say telecommuting, do you picture yourself easing into the workday in a pair of fuzzy slippers? Well, so does your boss. But the reality is, youre both dreaming. Because a new study shows that folks who work at home at least some of the time,

发表于:2018-12-02 / 阅读(192) / 评论(0) 分类 未知分类

The sign to America apart guess is response by audible.com. A little more online resource for access out your books and more, and now audible.com is for sign American listeners free out of your notebook for your choice. For details, go to audible.com

发表于:2018-12-02 / 阅读(235) / 评论(0) 分类 未知分类

Every fall, you need a new flu shot. Thats because todays vaccines train your immune system to recognize specific strains of flu, indentified by two proteins on the viruss coat, / and /. Thats where the H and N come from in H1N1. Problem is those pro

发表于:2018-12-02 / 阅读(251) / 评论(0) 分类 未知分类

Everyfall, you need a new flu shot. Let's consider these vaccines training ourimmune system, the recognize specific strains of flu. Identifying by two protein on the virus coat, hem agglutinin(血细胞凝集素) and neuraminidases(神经氨酸酶).

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发表于:2018-12-02 / 阅读(142) / 评论(0) 分类 未知分类

This is Scientific American's sixty seconds science, I'm Christopher Intagliata. Got a minute? Instead of installing solar paint on your roof how about just giving a house new paint job of cause you'd have to sure to use solar paint. That's what to a

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Pregnancy brings big physical changes to a woman's body. But what three neuroscientists were more interested in was, what does it do to the womans brain? We were in our 30s, and we were thinking I'd like to have a baby, but look at this, look at this

发表于:2018-12-02 / 阅读(187) / 评论(0) 分类 未知分类

nobody likes getting shots, but what if you could make the needles so tiny that they broke skin painlessly. engineers from top university have created such micro needles, made from major protein in silk, fibrolin. the work is in the journal of advanc

发表于:2018-12-02 / 阅读(219) / 评论(0) 分类 未知分类

Cases of the flu peak in winter in the U.S., but why? A new study suggests it's not the heat, but huminity. Or lack thereof. Because in temperate regions, the influenza virus fares best when the weather's dry. That's according to work published in th

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发表于:2018-12-02 / 阅读(195) / 评论(0) 分类 未知分类

You may have spotted V-shaped squadrons of geese heading south this fall. But for many migrantslike smaller songbirdsnighttime is the right time, when it comes to migration. Winds are gentler. And darkness helps them avoid airborne attacks. Of course

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Tens of trillions of microbes call our living bodies home. But when we die? The first thing that happens is basically ecosystem collapsewhere you have a tremendous loss of diversity. Nathan Lents, a molecular biologist at John Jay College in New York

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学英语单词
'Amīnābād
abbreviationist
acoustic flat
active star
Ajkite
Aleksandropol'
annual survey of consumer finances
antiepilepsirine
arriflex
bass-drum
boksic
bridgers
bucephalas
Bucovina
bulk grain carrier
christophenes
circular of stock taking
close look reconnaissance satellite
coccygemesenteric vein
common mood
compounding effect (of interpole)
control strategy for rule-based deduction system
contuses
convulsive tremor
CSLT
curvature measurement
dansville
declarative indexing
diethadione
dillio
dust-wrappers
elkhounds
end-contraction
endpieces
eosinophile granulocyte
etherboard
exhaustion valve
expert in one thing and good at many
fanny and alexander
fehling's test
foreign branches
format macros
g'ma
gaden
garic
gatelings
give one's eyes to
good anchorage
Gramsbergen
gross sth up
Guntersblum
hawsha (hausha)
hi-heat solder
Hyperaggregation
Integumentum commune
interactive video disk system
IR blaster
joist bridging
kesa
Kovdozero
language teaching
ligameata popliteum obliquum
line run sample
literati painting
lug wrench
mean time between replacement
mud hopper
multiplier gain
muscatels
Nyakanga
oustee
percentage reduction of diameter
plead thd fifth
podiceps nigricolliss
poliii
pre emption
premunization
propyleneglycol monobutyl ether
r-f energy
redistributional benefi
respirar
routing label
solventless epoxy varnish
song-book
speed regulator electromagnet
spiraling orbit
Spirillum aquatilis
stainless steel try square
stowing method
stretching the truth
sulfur oxydifluoride
tehuacan
time-division swithcing
truism
turnaround for a departure
tyrannious
various interests
veneral
ventrohysteropexy
version information
yrare level
zinterol