2013年Scientific American's Six

Yes, the mosquitos are swarming at this time of year. Alaska joke the B.Z. the sate bird. But have you ever looked closely the swarm making mosquitos the nuts images? It is a curious thing. The swarm maintains the kind of shape that moves around. But

发表于:2019-01-20 / 阅读(150) / 评论(0) 分类 Scientific American(八)月

Two centuries ago, blackbirds typically lived out their lives in forrest habitats. Today the birds are one of the most common avian urban species. Researchers have shown that urban and rural blackbirds already differ from one another in their songs,

发表于:2019-01-20 / 阅读(128) / 评论(0) 分类 Scientific American(八)月

In laps,bacteria may swim freely,but out in the world,including our bodies,bacteria often exist packed together in dense communities called biofilms. and these configurations can help them cause illness.finding clues about how such bacteria gro

发表于:2019-01-20 / 阅读(152) / 评论(0) 分类 Scientific American(八)月

Adult ants communicate with pheromones, touch and even sound. Now researchers have discovered that developing ants called pupae have their own distinctive calls, which identify their social status within the colony. This finding is in the journal Cur

发表于:2019-01-20 / 阅读(143) / 评论(0) 分类 Scientific American(二)月

Beneath its adorable exterior is your cat hiding the heart of killer.Researchers now estimated that each year domestic cats kill billions of birds and mammals in the United States alone.The report is in Nature Communications.We already knew that dome

发表于:2019-01-20 / 阅读(164) / 评论(0) 分类 Scientific American(二)月

This is scientific American sixty seconds science, I'm Christopher Taliyatah. Got a minute? When you think of an password for yet another online account, longer is better. Right? Well, it's true if your password is just strings and radoms of number

发表于:2019-01-20 / 阅读(179) / 评论(0) 分类 Scientific American(二)月

You are a bird, you are a plane, you are a super hero. sort of. because a study finds that experience in super power and virtual environment can turn you to a dukitor in real life. the work is in the journal plus one. 60 men and women flew over a vir

发表于:2019-01-20 / 阅读(163) / 评论(0) 分类 Scientific American(二)月

Clouds, they are fluffy, white and full of mystery. Although scientist may have better handle on clouds, even they don't know at all. Because the new study can show that atmosphere gases can help clouds form in a way no one had ever considered. That'

发表于:2019-01-20 / 阅读(147) / 评论(0) 分类 Scientific American(二)月

A lethal dose cyanide of can take your life in minutes. It kills by blocking your cells used of oxygen, suffocating the body and brain. There are FDA approved antidote, but they are served via intravenous injection. Just imagine paramedics chucking u

发表于:2019-01-20 / 阅读(148) / 评论(0) 分类 Scientific American(二)月

Taste may be the least understood of our five senses, even basic questions like where the taste bugs come from remain mysterious until now. In the study published in the journal Stem Cell, scientists identified the lose of parental cell that gives ri

发表于:2019-01-20 / 阅读(142) / 评论(0) 分类 Scientific American(二)月

Women might expect to need new clothes after giving birth by a bigger pair of shoes. Well, yeah, because pregnancy can actually bland them and wide them in women's feet. Ihat's going to a study in the American Journal of Physical Pedichine and Rehabl

发表于:2019-01-20 / 阅读(125) / 评论(0) 分类 Scientific American(三)月

As many San Franciscans have noticed, sourdough bread stays fresher longer than the regular stuff. Sourdoughs extended freshness is due to extra fermentation that traps more moisture in the dough. But now we know that sourdoughs longevity is also bec

发表于:2019-01-20 / 阅读(127) / 评论(0) 分类 Scientific American(三)月

this is Scientific American's 60 seconds' Science, i am Karan Hawking. This will just take a minute. Secret feeling chilly? Well, they may be a solution. Because researcher has generated genetic engineering mice: the kent field the cord. They worked

发表于:2019-01-20 / 阅读(162) / 评论(0) 分类 Scientific American(三)月

Unless you are a convention, speaking middle English is not going to impress a potential romantic partner in 2013. Similarly, male sparrows have to make sure their vocalization is up to date. Researchers analyze three decades of recordings of male sp

发表于:2019-01-20 / 阅读(144) / 评论(0) 分类 Scientific American(三)月

Don't forget to move your clocks forward this weekend and then don't forget to be more careful on the days after you adjust your clocks. Because 2009 study found the hour of the lost sleep was related to increase job related injuries. Probably becaus

发表于:2019-01-20 / 阅读(149) / 评论(0) 分类 Scientific American(三)月

Don't forget to move your clocks forward this weekend and then don't forget to be more careful when the day is after you adjust your clocks because 2009 study found the hour loss of sleep was related to increase job related injuries. Probably because

发表于:2019-01-20 / 阅读(134) / 评论(0) 分类 Scientific American(三)月

Astronomers have searched far and wide for a planet that are the right size and in the right place to support life. Well, maybe they should have set their sight a little close to the home. Because a new study suggests there may be earth-like planet j

发表于:2019-01-20 / 阅读(159) / 评论(0) 分类 Scientific American(二)月

School are well known reservoir of contagion, where students share all sorts of communicable conditions, coughs, cold, flu, you name it. But gems are the only things kids can catch from their friends. If they are lucky, they could come down with 4.0.

发表于:2019-01-20 / 阅读(129) / 评论(0) 分类 Scientific American(二)月

Too little salt makes for(导致) a bland(温和的;乏味的) meal. But too much is offensively briny(海水的;咸的). Now, scientists have discovered why too much tastes bad. The work is in journal Nature. As the previous podcast noted, the c

发表于:2019-01-20 / 阅读(144) / 评论(0) 分类 Scientific American(二)月

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发表于:2019-01-20 / 阅读(147) / 评论(0) 分类 Scientific American(十二)月
学英语单词
a sin
a-beaut
air-speed head
amorphization
antislump
arbitrage stock
arteria scapularis dorsalis
ashfields
assume an attitude of
bacaw
banegas
Blackstone River
bored stiff
Boroko
bottle washing machine
bottom loop
Box Hill
carry the torch of
cedramber
chair of state
Chondon
clean-sweep
colour-coordinated
convention
cupula radii
curvature of the metric
dark fence
dead time for pressure regulator
defining factor
deoxyhydroxyphorbol
dowry deaths
Dravinja
dummy input
electronic analysis apparatus
epidesmine (stilbite)
epinephrine tolerance test
excuse me
exercise judgement
expandeth
fax modem
feeding spout
flat drawn
floccilation
fully-automatic switching system
hand feeding mechanism
hard solders
harvest statistics
help screens
heneicosane diacid
houseal
hypolipaemics
in the fields of
index number with fixed base period
intercity mode
intermittent hydrosalpinx
iris melanoma
isaviruses
Jervis I.
jewelry enamel
King's College Hospital
linear factor
made people
managuas
multi router traffic grapher
multi-band antenna
Myriactis humilis
nitroundecane
Petern's method
phosphoric acid-diatomite catalyst
pick up passengers
plasmocyte
polychlorobutadiene
polysymmetric
Poynting effect
pregnenetriol
putus ixodes
quantity galvanometer
relative blackness
remand centre
return to document
rice bacterial leaf streak
rodite
seal someone's lips
seedling machinery
semiclosed-type impeller
Southern Stars
stochastic prediction
Surfacaine
teleflash
Tillaberi
tossels
tractive characteristics
trend percentage
truculent
twincestuous
two-level junction
two-way track
vibra-harp
vinyl fiber
voluntary gift
water trouble
Wurinyanga