2012年Scientific American's Six

Crampfish became famous thanks to the movie Finding Nimo. In real life, their social hierarchy is simple, larger fish dominate their smaller counterparts. Now we know that to reinforce the social structure, the fish communicate with aggressive and su

发表于:2019-01-08 / 阅读(99) / 评论(0) 分类 Scientific American(十一)月

Rising seas and severe storms are the most talked-about threats of climate change, but here's another, no more coffee. Because rising temperatures may cripple wild populations of / coffee, the most cultivated species in the world. So says a study in

发表于:2019-01-08 / 阅读(130) / 评论(0) 分类 Scientific American(十一)月

Rising season severe storm is the most talked about threats of climate change. But here is another. No more coffee. Because rising temperatures make cripple wild populations of Arabica coffee, and most cultivated species in the world. So says a study

发表于:2019-01-08 / 阅读(135) / 评论(0) 分类 Scientific American(十一)月

I've always thought that when I get a fever, it's my body trying to make things uncomfortable for the invading pathogen. And that's often true - higher temperatures can inhibit the bad guys' ability to replicate. But my fever may actually be a one-tw

发表于:2019-01-08 / 阅读(124) / 评论(0) 分类 Scientific American(十一)月

Imagine if you could focus your nose the way you focus your eyes. Scientists now believe that animals with a highly developed sense of smell like rats and dogs, do just that. Similar to the way we taste sweet, salty sour and bitter on different parts

发表于:2019-01-08 / 阅读(178) / 评论(0) 分类 Scientific American(十一)月

This is Scientific American 60 Second Science. I am Christopher Intagliata. Got a minute? In developed countries, we've mostly eliminated freeloaders like parasitic worms from our guts. But we also have the highest rates of inflammatory bowel disease

发表于:2019-01-08 / 阅读(129) / 评论(0) 分类 Scientific American(十一)月

Aches and pains getting you down, or maybe they really tick you off. If that's the case, maybe don't look to a placebo to give you any relief. Because a new study shows that sugar pills are less effective for people who are quick to anger. The work a

发表于:2019-01-08 / 阅读(121) / 评论(0) 分类 Scientific American(十一)月

Feeling listless? Unfulfilled? Looks like life have all over, what could have to show for it? You are not alone. In fact, you might not even be human. Because a new study shows that even apes can experience a mid-life crisis. The work appears in the

发表于:2019-01-08 / 阅读(125) / 评论(0) 分类 Scientific American(十一)月

In the last decade scientists have managed to sequence the genomes of everything from bacteria and fruit flies to individual human beings. But often overlooked are the genomic sequences of our food. We know the genomes of apples, bananas, potatoes, w

发表于:2019-01-08 / 阅读(151) / 评论(0) 分类 Scientific American(十二)月

Mercury tends to show up in strange places, like swordfish and sharks. Now researchers have detected small amounts of mercury in the fog that bathes the California redwoods, near Santa Cruz. The mercury levels they've measured are in parts per trilli

发表于:2019-01-08 / 阅读(154) / 评论(0) 分类 Scientific American(十二)月

Cigarettes are bad for your health. But thats only if you smoke em. If you use them to line your nest, they might actually do you some good. Because birds that decorate their digs with discarded cigarette butts are less bothered by parasites. Thats a

发表于:2019-01-08 / 阅读(155) / 评论(0) 分类 Scientific American(十二)月

Who was the better artist, a caveman or Leonardo da Vinci? It turns out that early depictions of four-legged animals walking are more accurate in some ways than modern oneseven those crafted by the Renaissance master. The study is in the journal PLoS

发表于:2019-01-08 / 阅读(124) / 评论(0) 分类 Scientific American(十二)月

The black mamba is one of the world's most venomous snakesits bite can kill a human in just half an hour. But along with deadly neurotoxins, the black mamba's venom has a special ingredient: a painkiller as potent as morphine. So says a study in the

发表于:2019-01-08 / 阅读(127) / 评论(0) 分类 Scientific American(十)月

Dogs aren't just man's best friend. Previous studies have shown that kids with dogs are less likely to develop asthma. Now new studies may show how. For those (from) mice it applied was. The work was presented at the meeting of the American Society f

发表于:2019-01-08 / 阅读(182) / 评论(0) 分类 Scientific American(六)月

The same mathematical models used to study the hunting range of lions have many other applicationsthey describe the flight patterns of honeybees. And now researchers say these math models can help explain the stability of gang territories and pattern

发表于:2019-01-08 / 阅读(178) / 评论(0) 分类 Scientific American(七)月

Fruit flies are pretty small. But they laugh at a species of fly recently discovered in Thailand. Dubbed Euryplatea nanaknihali, this member of the phorid fly family is less than half a millimeter longa fifth the size of a fruit fly. But before you o

发表于:2019-01-08 / 阅读(159) / 评论(0) 分类 Scientific American(七)月

yeah,you'd better talk about this thing.Now now now look hero be you.You can give a little pity pig let them out three senses to a wood calls like underprevely children drug.I was reading here just other day when the some were like ball hundred meeti

发表于:2019-01-08 / 阅读(208) / 评论(0) 分类 Scientific American(七)月

This is scientific American-60 second science,Im Cynthia Graber.This will just take a minute.You talk to a friend and then you talk to a theory on the iphone.I found forty resting rents.Dose your brain function differently when interacting with machi

发表于:2019-01-08 / 阅读(173) / 评论(0) 分类 Scientific American(七)月

This is scientific American-60 second science,I'm Evelyn Lamb.Got a minute? In our dark of night, he is like one of the newest cosmology discoveries to compound Hubble Telescope.A massive entry galaxy cluster.The air fly covers a feeling normal galxy

发表于:2019-01-08 / 阅读(161) / 评论(0) 分类 Scientific American(七)月

Here is news that you don't want to hear sitting down. Okay, are you standing up? Cutting down the amount of time spent sitting down might add years to average life expectancy. Xxx as report in the journel BMJ open. Office jobs, long commutes and cat

发表于:2019-01-08 / 阅读(163) / 评论(0) 分类 Scientific American(七)月
学英语单词
5-aminoacridine
achomawis
actinlysin
address write wire
agglutinative absorption
altimetric map
angle, prism
animal feeding
Archean Eonothem
attachment surface
b-integral cancellation
babysitter
bear evidence
biotelemetry
bip
blindless
bush brown
Carex radicina
castagna
Change Font
come the old soldier over sb
comprehensive use of timber
contempt-of-court
course length
curriculum provision
cylindro-adenoma
dentifrice
dispute at law
dynamic displacement
electrooptical light modulation
Erlang's loss formula
exit lock mode
fail safe control
firings
gasballast
Guéguen Point
heavy-duty load
hellmen
hereditary estate
human interaction
huxman
hydrocarbon analysis
inorganic formed substance
Ismailli
isotopically-enriched
keyboards
Kompong Som, Chhung
kryptomere
La Reina
lean out of
Liverpool Terms
lochbaum
loin-eye area
luding
lymphonoduli
malignant catarrh
milling jack
mud trap
Namufuma
nitidotellina iridella
nondispersive X-ray spectrometer
nonrecycling
nostitz
optimum currency areas
Outremer
overinterprets
panpiper
permeability-block method
petuntzes
phallused
postulate
pouring pit
presompcion
primitivistic
Prosna
push water
puts down to
re-keys
realigns
s.b.a
scratched-out
sermonised
side door release valve
simultaneous system of equations
SPS
stall landing
static equilibrium method
supervalue
ticky-boxes
top bow
transfer windows
truncation in domain
turboshaft engine
two-thread linking machine
ultraviolet-visible spectrophotometry
unfainted
Unyama
variable-stroke injection pump
Verrucomorpha
Vinga
wrn
Yarqā