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(74) / 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(69) / 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(100) / 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(77) / 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(95) / 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(63) / 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(68) / 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(65) / 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(42) / 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(53) / 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(90) / 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(68) / 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(87) / 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(76) / 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(77) / 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(63) / 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(65) / 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(70) / 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(71) / 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(65) / 评论(0) 分类 Scientific American(二)月
学英语单词
air movement column
alstones
auerswald
bateaux
Battlesden
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beneficiary of a transferable credit
Beyle, Marie Henri
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buellia erubescens
Bunce
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chromosome dyad
close type spring
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composite sole
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cryogenic stage
cyberathletic
diversi-
dopes
e-commercial
edumetrics
Emu Cr.
encoding method
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Greenaway
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helical lamp
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hori-hori
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jlg
journaler
khawiasis
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mediterranean hackberries
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modulated laser diode
multiple layer sandwich radome
N-methyl butylamine
narcotine
Natal Downs
non-participant observation
oil emulsion adjuvant
paperworker
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PCI Express Mini
PDRL
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peeno
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Pinozin
Polish sausage
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RMUI
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theory of cycles
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turkey corn
up warp
verbal command
versional
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zukaliopsis gardeniae