2012年Scientific American's Six

Interesting sound. I would have guessed a Wild West performer was practicing with a bullwhip while also vacuuming. But no. That sound [SOUND] is apparently produced by the aurora borealis, the northern lights. [SOUND] Since 2000 researchers at Finlan

发表于:2019-01-08 / 阅读(152) / 评论(0) 分类 Scientific American(七)月

The eyes are the windows to the soul. As such they can reveal if someone is lying, right? Cop shows, advice shows, even some organizational training courses hold that if somebody looks up and to the right, theyre probably lying. Up and to the left me

发表于:2019-01-08 / 阅读(165) / 评论(0) 分类 Scientific American(七)月

Vaccines are desperately needed in the developing world. Even when theyre available and inexpensive, theres still a major problem: most vaccines need to be refrigerated. Reaching the relevant populations often means traveling to areas where electrici

发表于:2019-01-08 / 阅读(165) / 评论(0) 分类 Scientific American(七)月

This is scientific Americans 60 second science,I'm Cynthia Graber.This will just take a minute.A coal mine can decrease the local environment but a Fungi may indivertantly help cleanup the mine with its own waste products. Researchers worked with the

发表于:2019-01-08 / 阅读(193) / 评论(0) 分类 Scientific American(七)月

Many of us talk with our hands. But some researchers suspect we may listen with our hands, too. Cognitive scientists had subjects listen to spoken sentences, each in the third person and present tense, such as John walks to work. As they listened, th

发表于:2019-01-08 / 阅读(125) / 评论(0) 分类 Scientific American(十二)月

Meetings, calls, kids, dogs, earrings, exercise and all those emails. Who doesn't feel start out for time these days. But a new study suggested that you can feel like you have more times by donating some to others. The research is in the journal Psyc

发表于:2019-01-08 / 阅读(169) / 评论(0) 分类 Scientific American(七)月

Mycology generation causes visual distortion and even complete loss of sight. When the wife of chemistry Nobel l Walter Cone was diagnosed with mycology distortion, he wanted to do something. I spoke with him at the recent L Nobel L meeting in German

发表于:2019-01-08 / 阅读(144) / 评论(0) 分类 Scientific American(七)月

This is scientific Americans 60 second science,I'm Steve Mirskey.Got a minute? I disagree that algebra doesn't do anything for our lives.Evelyn Lamb, math PhD and scientific American writer on the WNYC radio program at the takeaway. She is responding

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In an Aesop fable, a thirsty crow wanting to drink from a pitcher must first raise the water level. So he drops pebbles in the container. In real life, the European Jay can perform the same task. But just how smart is it? Researchers challenged jays

发表于:2019-01-08 / 阅读(136) / 评论(0) 分类 Scientific American(八)月

Humans prefer to associate with other humans who share their subculture. That's why there are needing* clubs and fantacy football leagues. And it turns out that dolpins also form cliques. Researchers found that dolphins known as spongers spend most o

发表于:2019-01-08 / 阅读(122) / 评论(0) 分类 Scientific American(八)月

This is Scientific American sixty seconds space, I'm John Matson, got minute? Touchdown confirmed. We are safe on Mars. Time to see where our Curiosity will take us. The control room at NASA's Jet Propulsion Laboratory late in the evening of August 5

发表于:2019-01-08 / 阅读(136) / 评论(0) 分类 Scientific American(八)月

This is scientific American sixty seconds science. I'm Christopher Intagliata. Got minute? You've probably noticed you're more likely to catch a cold if you pull a lot of all-nighters. But lack of sleep can also compromise your immune system's respon

发表于:2019-01-08 / 阅读(181) / 评论(0) 分类 Scientific American(八)月

Olympic athletes submit their bodies to grueling training. And then they soar around the world to meet the competition. American east coast athletes traveled five time zones to get to London. West coast athletes leapt over eight. And increased the od

发表于:2019-01-08 / 阅读(118) / 评论(0) 分类 Scientific American(八)月

This is scientific American sixty seconds science, I'm Cynthia Graber, this will just take you a minute. Tea and coffee are drunk worldwide, far beyond their original ecological niches. Now it looks like another caffeinated beverage also gained popul

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We all create it, even if we usually dont like to think about it: waste. And the journal Science devotes its new issue to the subject. It delves into the problemshome garbage, plastics, metal, water, even everyones favorite, sludgeand discusses resea

发表于:2019-01-08 / 阅读(212) / 评论(0) 分类 Scientific American(八)月

Elephants dont need cell phones to hold long distance conversations, their deep calls can travel miles. And although humans cant always hear these vocalizations because of their low frequency, elephants produce them using the same mechanism that lets

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Last weekend I saw a baseball game at Cleveland's Progressive Field, one concession stand specialized in over-the-top fun food. It offered the infamous fried Twinkie, fried cookie dough, even a deep-fried snickers bar. I decided to eat more healthful

发表于:2019-01-08 / 阅读(114) / 评论(0) 分类 Scientific American(九)月

This is Scientific American -60 seconds science. Im Cynthia Graber. This will just take a minute. A coal mine can degrade its local environment. But fungus may inadvertently help clean up the mine with its own waste products. Researchers worked with

发表于:2019-01-08 / 阅读(182) / 评论(0) 分类 Scientific American(七)月

You vote for politicians based on their views, right? That's how it works in theory. But other factors can sway your vote. Like a politician's voice. Because studies show that the deeper the voice, the more electable the candidate. And not just for m

发表于:2019-01-08 / 阅读(144) / 评论(0) 分类 Scientific American(十二)月

You vote for politicians based on their views, right? Thats how it works in theory, but other facts can sway your votes like politicians voice. Because a study showed that the deeper the voice, the more electable the candidate. And not just for men,

发表于:2019-01-08 / 阅读(129) / 评论(0) 分类 Scientific American(十二)月
学英语单词
absorption power
accomplished facts
admirateurs
AI AND inverter
aksan
alkaliphilic
Anglification
animal feet
anisa
antitoxin rash
art-master
atherosclerosis
Bagnoregio
Ban Tha Lai
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calcium phosphite
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efface
elean
encepha-
exchange interaction
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flat image amplifier
flux roll
four element infrared objective
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gasoline sensitivity
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girl talk
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identical twelvemonth period
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Labor Day
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leetha
lemurlike
liquid chloroprene rubber
lower nephron syndrome
LRSI
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mean flight hours between failures (mfhbf)
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Roller Derby
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Spanish grass
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