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(108) / 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(134) / 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(140) / 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(131) / 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(186) / 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(132) / 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(124) / 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(130) / 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(153) / 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(159) / 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(160) / 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(130) / 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(133) / 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(185) / 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(186) / 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(164) / 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(214) / 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(177) / 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(168) / 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(166) / 评论(0) 分类 Scientific American(七)月
学英语单词
air particle monitor
annual observation
ask back
au sable forks
auntienter
bandwidth limitations
bijagos islands
cast beyond the moon
cathodic electrochemical polymerization
Cephalanthera taiwaniana
channel borrowing
Christian pop
cirriferous
Clematis laxistrigosa
close-tolerance forging
color reproduction
conkurchine
corncakes
costia necatrixes
cybernate
d.p.p
depletion-type mosfet
depth of wetted soil
die bottom
disenthrallments
double cone dryer
double slot piston ring
Dubois
dust-fueled reactor
educational telecommunication system
embedment effect
explicit item for inquiry
february-may
forelive
fossamagna
fumehoods
Gallicism, gallicism
gaytard
Gelidocalamus annulatus
get things moving
gold 18 carats pure
groundwater observation well
half-fits
hank reeling machine
hexagonal bipyramidal class
high titanic oxide type electrode
hnRNP
home audit
humidity regulator
imperfectly elastic
initial storage gas weight
innest
instrument of production
intra-osteal
iterative formula
klaxoned
lime bright annealed wire
line fishing boat
loose control
low molecular weight polyethylene (lmpe)
Mastic Beach
material account
miss one's aim
monocoque welded fabrication
Ngauruhoe
ogival
output class
palpable rale
pandemic plan
parallel feeding
plasmaphoresis
plastoparatype
pluvioses
popedoms
primary standard sample
program tracking
pycnogonids
quaquaversal structure
remainder-men
Riversleigh fossils
saxafras
scattering geometry
scruplesome
shell-burst
solid-line curve
special revenue debt
stable form
superfemale(metafemale)
system spread function
Tambor, I.
Tayfur
terrace scarp
Tomiporan
tradi
trailer rope
transit time damping
unlaying
ureteral hypoplasia
whiffling breeze
Zabulon
Zandu
Zerah