This is Scientific American's 60-Second Science, I'm Christie Nicholson. Got a minute? During the last ice age our problem was too little carbon. Unlike today where too much carbon is causing global warming. Past glacial ages occurred partly because

发表于:2019-01-08 / 阅读(86) / 评论(0) 分类 Scientific American(七)月

This is Scientific American's 60-second Science. I'm Christie Nicholson. Got a minute? We might think perfect pitch is an innate talent. Well, a study in the American Journal of Human Genetics is providing some evidence for that. Perfect pitch, aka a

发表于:2019-01-08 / 阅读(74) / 评论(0) 分类 Scientific American(七)月

This is Scientific American's 60-Second Science, I'm Christie Nicholson. Got a minute? If youve spoken to anyone in New York City, where Scientific Americans offices are, then youve heard about the rain, every day since mid-June. Still, were not in t

发表于:2019-01-08 / 阅读(97) / 评论(0) 分类 Scientific American(七)月

This is Scientific Americans 60-Second Science, I'm Steve Mirsky. Got a minute? Ever-increasing numbers of people are consuming news via the Internet and cell phones. In London last week at the World Conference of Science Journalists, Philip Hilts, t

发表于:2019-01-08 / 阅读(101) / 评论(0) 分类 Scientific American(七)月

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

发表于:2019-01-08 / 阅读(87) / 评论(0) 分类 Scientific American(七)月

This is Scientific American's 60-Second Science, I'm Cynthia Graber. This will just take a minute. It sounds like the title to a Rudyard Kipling tale: how the turtle got its shell. But its actually a question that has puzzled scientists. After all, n

发表于:2019-01-08 / 阅读(94) / 评论(0) 分类 Scientific American(七)月

According to neuro scientist from Briton's Kill? University, dropping the F bomb(does he mean fuck here?) can actually relief physical pain, in the up coming August ?? issue of the Journal NeuroReport the researcher says swearing is a different pheno

发表于:2019-01-08 / 阅读(102) / 评论(0) 分类 Scientific American(七)月

Anyone whos ever had a cat knows how demanding they can be. Let me out, let me in, give me food, give me different food. The list goes on. But how do these clever kitties convince us to do their bidding? A study in the July 14 issue of Current Biolog

发表于:2019-01-08 / 阅读(102) / 评论(0) 分类 Scientific American(七)月

Modern humans are masters of multitasking. We eat while driving, watch TV while studying, and of course talk on our cell phones while doing, well, everything. How do we do it? A study in the July 16th issue of Neuron suggests that though we can train

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

transcript This is Scientific Ameicans 60-Second Science. Im Karen Hopkin. Got a minute? Horse racing is a sport that's 200 years old. And a day at the track is much more exciting now than it was back then. That's because horses are faster than they

发表于:2019-01-08 / 阅读(76) / 评论(0) 分类 Scientific American(七)月

This is Scientific American 60-Second Science. I'm Steve Mirsky, got a minute? Its the 40th anniversary of the first humans setting foot on the moon. Last August, I interviewed one of them, Buzz Aldrin, in the lobby of a hotel he was staying at in

发表于:2019-01-08 / 阅读(79) / 评论(0) 分类 Scientific American(七)月

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

发表于:2019-01-08 / 阅读(82) / 评论(0) 分类 Scientific American(七)月

This is Scientific American's 60-second Science. I'm Cynthia Graber, this will just take a minute. Sex might seem like one of those little gifts from evolution. But its pretty inefficient from an evolutionary perspective. Itd be much easier to reprod

发表于:2019-01-04 / 阅读(104) / 评论(0) 分类 Scientific American(七)月

This is Scientific American 60-Second Science. I'm Cindey Graber. This will just take a minute. When TV sets die, they usually end up incinerated or in landfills. But now researchers from Englands University of York believe theyve found a valuable us

发表于:2018-12-24 / 阅读(93) / 评论(0) 分类 Scientific American(七)月

This is Scientific Ameicans 60-Second Science. Im Steve Mirsky. Got a minute? Would you mind telling me what this is all about, Mister? No problem, Captain. A study in the Journal of Applied Physiology shows that artificial gravity should prevent a b

发表于:2018-12-24 / 阅读(75) / 评论(0) 分类 Scientific American(七)月

This is Scientific Ameican's 60-Second Science. I'm Karen Hopkin. This will just take a minute? Forget the meek. If the Earth keeps getting warmer, a recent study shows that its the small that are gonna come out on topat least in the worlds oceans. W

发表于:2018-12-24 / 阅读(66) / 评论(0) 分类 Scientific American(七)月

The toucan's long bill has long perplexed biologists. Darwin theorized that it attracted mates. Other suggested uses ranged from fruit peeling to territorial defense. But a report in the July 24th issue of the journal Science offers another explanati

发表于:2018-12-24 / 阅读(70) / 评论(0) 分类 Scientific American(七)月

Why did the orangutan cross the forest canopy? Presumably, to reach some tasty fruit. But the better question might be: how did the orangutan cross the forest canopy. And according to a study published in the Proceedings of the National Academy of Sc

发表于:2018-12-24 / 阅读(72) / 评论(0) 分类 Scientific American(七)月

When Michael Phelps is out of the water, he towers over mere non-Olympic mortals. Then he slips into the pool, and makes record-breaking speed seem effortless. His height, it turns out, is no accident. According to research published in The Journal o

发表于:2018-12-24 / 阅读(86) / 评论(0) 分类 Scientific American(七)月

Remember Dick and Jane? And their dog Spot? Maybe you read about them in first grade. See Spot run. Run, Spot, run! Well, a new study in the journal Psychological Science suggests that not only did you see Spot run, but you ran, too. At least in your

发表于:2018-12-24 / 阅读(65) / 评论(0) 分类 Scientific American(七)月