2011年Scientific American's Six

This is Scientific American's 60-Second Science. I'm Cynthia Graber. This will just take a minute. Princess Ahmose-Meryet-Amon enjoyed a privileged lifestyle in what is now Luxor about 3,500 years ago. But she may not have been a happy princess towar

发表于:2018-12-24 / 阅读(167) / 评论(0) 分类 Scientific American(五)月

This is Scientific Americans 60-Second Science. Im Karen Hopkin. This will just take a minute. Its graduation season. And some scientists got to wondering whether the folks who shake hundreds of hands while passing out diplomas run the risk of coming

发表于:2018-12-24 / 阅读(157) / 评论(0) 分类 Scientific American(五)月

This is Scientific American's 60-Second Science. I'm Christopher Intagliata. Got a minute? Whether it's for streaming Netflix or sharing files, we're gobbling up more and more dataand we want it faster. But even shooting data with lasers over fiber-o

发表于:2018-12-24 / 阅读(207) / 评论(0) 分类 Scientific American(五)月

This is Scientific American's 60-Second Science. I'm Karen Hopkin. This will just take a minute. A jumping cockroach. A glowing mushroom. And a leech that has teeth. These are three of scientists' picks for the Top Ten New Species described in 2010.

发表于:2018-12-24 / 阅读(157) / 评论(0) 分类 Scientific American(五)月

A jumping cockcroach, a glowing mushroom and a leech that has teeth. These are the three of scientists picks for the big top ten new species decribed in 2010. The list is dissembled by the international institute for species exploration at Arizona St

发表于:2018-12-24 / 阅读(196) / 评论(0) 分类 Scientific American(五)月

Do you come from a country that has let's say a history of environmental disaster or conquests, and your culture probably tight that has strong social norms and doesn't tolerate much deviance from this norms, and then your culture probably autocratic

发表于:2018-12-24 / 阅读(156) / 评论(0) 分类 Scientific American(五)月

This is Scientific American's 60-Second Science. I'm Cynthia Graber. This will just take a minute. Do you come from a country that has, let's say, a history of environmental disasters or conquests? Then your culture is probably tightit has strong soc

发表于:2018-12-24 / 阅读(172) / 评论(0) 分类 Scientific American(五)月

This is Scientific Americans 60-Second Science. Im Steve Mirsky. Got a minute? Bad blood pressure and cholesterol numbers are predictors for future health problems. You wont definitely have a heart attack, for example, but your risk is higher. Now re

发表于:2018-12-24 / 阅读(164) / 评论(0) 分类 Scientific American(五)月

This is Scientific American's 60-Second Science. I'm Cynthia Graber. This will just take a minute. Can we be too clean? According to what's called the hygiene hypothesis, yes. Without being challenged as kids, our immune systems don't flourish. Scien

发表于:2018-12-24 / 阅读(144) / 评论(0) 分类 Scientific American(一)月

This is Scientific American's 60-Second Science. I'm John Rennie. Got a minute? High school students flunking biology might take some consolation in knowing that most of their teachers would be, too. So suggests a commentary in the January 28th issue

发表于:2018-12-24 / 阅读(151) / 评论(0) 分类 Scientific American(一)月

This is Scientific Americans 60-Second Science. Im Steve Mirsky. Got a minute? Generations of American children have been told, Eat your broccoli! And for decades, researchers have known that broccoli and related vegetables like cauliflower and water

发表于:2018-12-24 / 阅读(186) / 评论(0) 分类 Scientific American(一)月

This is Scientific Americans 60-Second Science. Im Cynthia Graber. This will just take a minute. The Chesapeake Bay could get helped by a new antipollution expert: farmed oysters. For decades, the Chesapeake has been plagued by excess nutrients, such

发表于:2018-12-24 / 阅读(184) / 评论(0) 分类 Scientific American(一)月

This is Scientific American's 60-Second Science. I'm John Matson. Got a minute? In a laboratory vault outside Paris is a small cylinder of platinumiridium alloy that serves as the standard for all mass measurements worldwide. By an 1889 international

发表于:2018-12-24 / 阅读(201) / 评论(0) 分类 Scientific American(一)月

This is Scientific Americans 60-Second Science. Im Steve Mirsky. Got a minute? I just read Bill Carters book The War for Late Night: When Leno Went Early and Television Went Crazy. Its a good look at issues in organizational psychology, because it de

发表于:2018-12-24 / 阅读(195) / 评论(0) 分类 Scientific American(一)月

This is Scientific Americans 60-Second Science. Im Christopher Intagliata. Got a minute? Ever been running the treadmill, exhausted, ready to quitbut you're at the 2.9 mile mark, so you run that last 10th to make it an even three? Why do you do it? W

发表于:2018-12-24 / 阅读(188) / 评论(0) 分类 Scientific American(一)月

This is Scientific American's 60-Second Science. I'm Steve Mirsky. Got a minute? There have been tremendous declines in fertility. The key has been the prevention of unwanted births, really around the globe. John Casterline directs the Initiative in

发表于:2018-12-24 / 阅读(165) / 评论(0) 分类 Scientific American(二)月

I'm pleased that some economists and sociologists are beginning to talk about, for example, alternative measures of human well-beingalternative that is to GDP, on which the world runs. So said John Sulston at the AAAS meeting in Washington on Februar

发表于:2018-12-24 / 阅读(160) / 评论(0) 分类 Scientific American(二)月

If you splashed down in the Atlantic, you'd flounder on which way to swim. But a hatchling loggerhead turtle would know just where to paddleby reading the Earth's magnetic field. Scientists knew turtles can pinpoint latitude this way, because the fie

发表于:2018-12-24 / 阅读(175) / 评论(0) 分类 Scientific American(二)月

This is Scientific American's 60-Second Science. I'm Steve Mirsky. Got a minute? The ability to digest milk as adults, and as infants, actually, is due to the expression of an enzyme called lactase. That's the University of Pennsylvania's Sarah Tishk

发表于:2018-12-24 / 阅读(165) / 评论(0) 分类 Scientific American(二)月

This is Scientific Americans 60-Second Science. Im Steve Mirsky. Got a minute? A new development in malaria: Plasmodium vivax, the worlds most common malaria parasite, now infects people previously considered to be resistant. Peter Zimmerman from Cas

发表于:2018-12-24 / 阅读(158) / 评论(0) 分类 Scientific American(二)月
学英语单词
'Arba Gugu Terara
acyl acid
apiculatum
Arnild motor
banalities
base 2
blossom cup
broiled beef
CBMIS
changseung
chloromycetin in glycerin
Church Slavonic
compensating master cylinder
conceptions
conical equal area projection
consumptionous
cratogene
DC three-wire system
defect structure
delay bias
draguns
early failure period
earth's magnetic pole
econoes
Eliot, Charles William
emarginations
endoplasmic reticulum
epide
flight leader
foodgrains
frenula veli medullaris anterioris
gebs
grindles
Hathoric
henism
high speed steel tool bit
hyperpolarizability tensor
IMP,imp
impurity band
interbank agreement
intergranular dissolved pore
joint and mutual will
knock sb's head off
Kłodawa
Lake Village
legal jointure
lift ... hands
limnodromus scolopaceuss
logography
low-frequency gauge
mandibular seta
marginal scutellar bristles
midget tester
molded volume
moral-anti-realism
mustard-plaster
Mīrpur Batoro
nador
neighbouring country
New Web
nonadecamer
nonu
nussierite
one stop system
origin of life
oxygen (o)
Palermo, G.di
parallel input/output controller
Parthenocissus dalzielii
party caucus in congress
PCHM
pepper Jack
perissodactylism
phasetrafficked
pleuger
pressure-to-pressure transmitter
protection of distance
rejection of results
restrained motion
RPRT
secondary blast effect
shrinkage and temperature reinforcement
slier
socio-linguistic
soft pitch
ST_controlling_liberating-relaxing-and-releasing
stone cut off wall
strounger
telomerozoite
thoughtcrimes
throgs
tomatin(e)
trailer ship
transportation and marketing department
tuberoinfundibular
universal personal telecommunications
upon the face of
vashegyite
ventorious
water line method
werdegar
whim wham