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Americans commemorate the heritage of African-Americans every February in what is known as African American History Month, yet little is known about the association that started the tradition and what it is doing now. James Stewart is the current pre

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This is Scientific American's 60-Second Science, I am Karen Hopkin. This'll just take a minute. Physicists study all kinds of curious things,from the missing matter in the universe to the strange behavior of electrons ,but none of this is quite as cu

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This is Scientific American's 60-Second Science, I am Steve Mirsky, got a minute? You are pulling the tape off the roll and it starts to tear, or you are moving wallpaper and it refuses to strip off in strips or in what may be the most infuriating ca

SSS 2008-11-20

This is Scientific American's 60-Second Science. I'm Steve Mirsky . Got a minute ? The jury is still out on the relationship between cell phone use and brain tumors. But the American Association of Neurological Surgeons has issued a statement to remi

SSS 2009-02-19

This is Scientific American's 60-Second Science. I'm Steve Mirsky . Got a minute ? Time to bring back the Office of Technology Assessment. The OTA was created in 1972 to provide Congress with an objective analysis of complex scientific and technologi

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This is Scientific American's 60-Second Science. I'm Karen Hopkin. This will just take a minute. If you spent any time in your car this summer you probably sat in some traffic. Maybe youre in a jam right now. If so, a study in an upcoming issue of Ph

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This is Scientific American's 60-Second Science, I am Karen Hopkin. This'll just take a minute. Youve probably heard of the whole six degrees of separation thing. It predicts that, on average, youre no more than six links away from any other person o

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This is Scientific American's 60 Seconds Science. I'm Steve Mirsky. Got a minute? In 1900 legendary physicist Max Planck described the way energy gets dissipated from any nonreflective object, called a blackbody. But even Max said if something else i

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This is Scientific American's 60-Second Science. I'm Karen Hopkin . This will just take a minute. When you get caught in a downpour, you probably dont think about the size of the raindrops that assault you as you run for cover. But physicists do. And

SSS 2009-07-09

This is Scientific American's 60-second Science. I'm Steve Mirsky. Got a minute? The results are in, and, Americans pretty much like science. Eighty-four percent of those polled think that sciences effect on society is mostly positive. Thats the resu

SSS 2010-12-07

This is Scientific Americans 60-Second Science. Im Karen Hopkin. This will just take a minute. Think about flying and you no doubt think about air--the wind in your face, the wind at your back, the wind beneath your wings. Now physicists note that li

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VOA标准英语2011--Controversy Surrounds Muslim-American Reality TV Show

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This is Scientific American sixty seconds science. I am Clara Muscovites. Got a minute? When comes to the percentage of bachelor degrees earned by women, physics trailed biology, chemistry, earth science and math. And women made just 14% of physics c

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This is scientific American 60 seconds science.I'm - .Got a minute. When it comes to the percentage bachelors degrees earned by women,physics ,trails, biology, chemistry, earth sciences and math and women made up just 40 percent of physics college fa

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By Carol Pearson Washington, D.C. 05 July 2006 Watch Health Report Nutrition facts What you eat can determine how long you live. A recent report in the Journal of the American Heart Association recommends new diet and lifestyle choices for a longer

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Mexico holds on to No. 20 spot in FIFA rankings

MEXICO CITY, May 9 (Xinhua) -- Mexico's national team holds on to its 20th spot as soccer's world governing body FIFA released the latest world rankings on Wednesday. Mexico, known as the Tricolor for its red, white and green flag-colored uniforms, c

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[00:12]Day 3 [00:15.26]feature [00:16.66]Even a skilled writer [00:18.16]could not describe all the features [00:20.06]that make one face different from another. [00:24.71]function [00:26.29]What is his function on the committee? [00:30.7