This is Scientific American's 60-Second Science. I am Karen Hopkin, this'll just take a minute. For years, advocates have touted the use of biofuels as a clean burning alternative to gasoline, now a pair of studies published in the Feb 8 issue of Sci

发表于:2019-01-08 / 阅读(71) / 评论(0) 分类 Scientific American(二)月

This is Scientific Americans 60-Second Science, I am Karen Hopkin. This will just take a minute. Somewhere along the line you've probably heard that you should drink eight glasses of water a day. Its supposed to make your skin supple, keep your organ

发表于:2019-01-08 / 阅读(70) / 评论(0) 分类 Scientific American(四)月

This is Scientific American's 60-Second Science. I'm Steve Mirskey, Got a minute? Here is another reason to stop global warming to keep the Burmese pythons in Florida. Burmese pythons have been turning up in south Florida in recent years. Perhaps you

发表于:2019-01-08 / 阅读(82) / 评论(0) 分类 Scientific American(三)月

This is Scientific American's 60-Second Science. I am Karen Hopkin. This'll just take a minute. Seems like every other week brings news that global warming is gonna be bad for some poor animal or other. But plants? Well, I guess I was thinking that p

发表于:2019-01-08 / 阅读(78) / 评论(0) 分类 Scientific American(二)月

This is Scientific American's 60-Second Science. I'm Cynthia Graber. This will just take a minute. Over the past 50 years more and more women have entered the work force. And theyre increasingly taking on jobs that have traditionally gone to men. Now

发表于:2019-01-08 / 阅读(79) / 评论(0) 分类 Scientific American(三)月

This is Scientific American's 60-Second Science. I'm Cynthia Graber. This will just take a minute. We like to think were pretty sophisticated when it comes to voting for politicians. Oh, sure, weve all heard that the taller guy usually wins. But were

发表于:2019-01-08 / 阅读(86) / 评论(0) 分类 Scientific American(三)月

This is Scientific Americans 60-Second Science. Im Christopher Intagliata. Got a minute? That old saying, she died of a broken heart? It's not just poetry. Studies have shown that some people who lose a loved one may be at greater risk for a heart at

发表于:2019-01-08 / 阅读(48) / 评论(0) 分类 Scientific American(十一)月

This is Scientific American's 60-Second Science. I'm Karen Hopkin. This will just take a minute. Ah, daydreaming. Is there anything more pleasant than sitting back and letting your thoughts drift? Well, yes: not letting your thoughts drift, for one.

发表于:2019-01-08 / 阅读(62) / 评论(0) 分类 Scientific American(十一)月

This is Scientific American's 60-Second Science. I'm Karen Hopkin. This will just take a minute. Expectant moms can have very different ideas when it comes to where they plan to have their babies. Some women even choose to give birth in a warm tub of

发表于:2019-01-08 / 阅读(75) / 评论(0) 分类 Scientific American(二)月

This is Scientific American's 60-Second Science. I'm Steve Mirsky . Got a minute ? February 12th is the 200th birthday of Charles Darwin and Abraham Lincoln. But theyre linked by something else, too. Before Darwin, natural philosophers held to a poin

发表于:2019-01-08 / 阅读(97) / 评论(0) 分类 Scientific American(二)月

This is Scientific Americans 60-Second Science. Im Karen Hopkin. This will just take a minute. When it comes to elections, sometimes we vote with our heads and sometimes with our hearts. But scientists at Stanford say we might also be voting with our

发表于:2019-01-08 / 阅读(65) / 评论(0) 分类 Scientific American(七)月

Here in New York, the pending state budget includes one provision thats probably making more news than the rest of the budgets contents combined: a tax on non-diet soda and other high-calorie drinks. If the budget is passed by the legislature, sugary

发表于:2019-01-08 / 阅读(82) / 评论(0) 分类 Scientific American(四)月

This is Scientific Americans 60-Second Science. Im Cynthia Graber. This will just take a minute. Pasteurization makes food safe by heating microbes to death. But the high temperatures can destroy some nutrients too. A possible alternative? Ultrahigh

发表于:2019-01-08 / 阅读(92) / 评论(0) 分类 Scientific American(九)月

This is Scientific Americans 60-SecondScience. Im Steve Mirsky. Got a minute? The traveling salesman problem is afavorite math conundrum: if a salesman has to visit a bunch of cities, how doyou get him to all of them once via the shortest possible ro

发表于:2019-01-08 / 阅读(108) / 评论(0) 分类 Scientific American(八)月

This is Scientific Americans 60-Second Science. Im Sophie Bushwick. Got a Minute? What's the best way to find out if an unknown mixture contains a specific substance, like an environmental contaminant? You could use an expensive, bulky gas chromatogr

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This is Scientific American's 60-Second Science. I'm Steve Mirsky. Got a minute? You could think of it as the real dancing with the stars. Two white dwarf stars have been found twirling around each other to make a complete orbit in less than every 13

发表于:2019-01-08 / 阅读(71) / 评论(0) 分类 Scientific American(七)月

This is Scientific American's 60-Second Science. I'm Steve Mirsky. Got a minute? You've heard of tennis elbow. Well, a friend of mine has gamekeeper's thumb. When he told me his diagnosis, it rang a bell. So I went through the Scientific American arc

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This is Scientific Americans 60-Second Science. Im Steve Mirsky. Got a minute? Its a now-they-know-how-many-holes-it-takes-to-fill-the-Albert-Hall situation, because researchers have measured the actual blood alcohol level of fans leaving professiona

发表于:2019-01-08 / 阅读(80) / 评论(0) 分类 Scientific American(一)月

This is Scientific American's 60-Second Science. I'm Christie Nicholson. Got a minute? The National Sleep Foundation released the results of its annual sleep poll today, where they surveyed more than 1,500 people between the ages of 13 and 64. Here a

发表于:2019-01-08 / 阅读(83) / 评论(0) 分类 Scientific American(三)月

This is Scientific American's 60-Second Science. I'm Karen Hopkin. This will just take a minute. They say you should take the bitter with the sweet. But if you're not a big fan of bitter, chemists have just the loophole for you. Oh, you'll still have

发表于:2019-01-08 / 阅读(109) / 评论(0) 分类 Scientific American(四)月