Scientific American's Sixty

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发表于:2018-12-02 / 阅读(56) / 评论(0) 分类 未知分类

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发表于:2018-12-02 / 阅读(69) / 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(58) / 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(89) / 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(82) / 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(97) / 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).

发表于:2018-12-02 / 阅读(84) / 评论(0) 分类 未知分类

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发表于:2018-12-02 / 阅读(54) / 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

发表于:2018-12-02 / 阅读(122) / 评论(0) 分类 未知分类

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(83) / 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(93) / 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(87) / 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
(of a silkworm) molt to go through the chrysalis state
amethystanthus japonicus nakai
Ampcoloy
antipodism
arsentsumebite
asymmetric conductivity
autogyro rotor
bacterial calls
ballet british colombia
bioocclusion
biotropic
birth control measure
carried-out
Caryophyllineae
cell granulations
chimney exit diameter
chresard
closer-in
consultation committee
coolant distribution unit
cryptands
Cupressus sempervirens
daylight robberies
direct-geared
dito
domestic staff
electronic band
exceptional performance
eye-blinks
fixture for boring machine
flood-level rim
formrs
green machine
hisds
homatropine eye drops
i could have wept
Iepê
igloo
imagistically
intropressions
isooctyl alcohol
joint and several obligation
laser raman photoacoustic spectrometry
lebanese pounds
line terminator
love beat
main spar
mapmakings
mat-forming
mecke
media check
meta-anthracite
methylmetal-crylates
mixed tumor of submaxillary gland
monarchia
moss locust
muckamuck
Muhamut
musculoligamentous
nitrocellulose varnish
nonstratified crown
Norheimsund
onagers
online monitoring
ooxanthines
order Spirochaetales
oxoglutaric
particulars of goods
pestiferously
postheparin
potato beans
power supply main
precipitron
press agencies
PsLogList
refolds
relieving oppression and masses
rere-county
residence half
restimulates
self-directing missile
single-spindle lathe
slab amplifiers
sode ash
soft-pedalleds
sphericities
static MOS inverter
stratified sand
stringifying
subsonic ejection seat
swallowers
systems analysis and design
target.com
the means of production
tourism area
true folding
uncastigated
uniform heat flux
vestibule floor
visual relief map
width of ruled area