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科学美国人60秒 SSS 摧毁冲向地球的小行星比想象中更难
摧毁冲向地球的小行星比想象中更难 This is Scientific American's 60-second Science, I'm Christopher Intagliata. In the movie Armageddon, an asteroid the size of Texas is hurtling towards Earth. All seems lost, but then Bruce Willis sacr
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科学美国人60秒 SSS 面包虫能吃吗
This is Scientific American's 60-second Science, I'm Christopher Intagliata. A pound of chicken will s?et you back a couple bucks. Ground beef, maybe three to four dollars a pound. But a pound of protein-rich dried mealworms could cost twice as much.
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科学美国人60秒 SSS 想要唱歌有音准? 那就独唱吧
This is Scientific American's 60-second Science, I'm Christopher Intagliata. (birthday singing clip) Ever noticed how when a big group sings Happy Birthday, the beginning is a jumbled mess, with everyone singing a slightly different pitch? But then,
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科学美国人60秒 SSS 太阳射流在地球磁场中产生驻波
This is Scientific American's 60-second Science, I'm Jim Daley. (Audio of magnetosphere) That strange sound? It's Earth's magnetospherethe magnetic field created by the movement of the iron core deep within the planet. The magnetosphere is a shield,
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科学美国人60秒 SSS 投弹手甲虫聚集在一起寻求安全
This is Scientific American's 60-second Science, I'm Bob Hirshon. If you're a skunk, or fox, or very strange person, and you poke your nose under a rock in the desert Southwest, looking for something to eat, you might be surprised to see dozens of br
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科学美国人60秒 SSS 技术对大脑的影响很复杂
This is Scientific American's 60-second Science, I'm Steve Mirsky. Clearly, technology is helping us research the brain, but how is the brain responding to technology? NYU neuroscientist Alexandra Ochoa Cohen. There's been a lot of mostly negative hy
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科学美国人60秒 SSS 风景优美的城市能带来更高的幸福感
This is Scientific American's 60-second Science, I'm Christopher Intagliata. One of the ugliest sights in Great Britain is a small power station outside Plymouth, England, its electrical lines and towers surrounded by a drab-colored fence. I know thi
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科学美国人60秒 SSS 比起直达 大黄蜂蜂王更喜欢在迁徙途中停留
This is Scientific American's 60-second Science, I'm Christopher Intagliata. They're furry, fat and hibernate all winter. Not bears bumblebees. Specifically the queens, which e?merge from hibernation in the spring to establish new colonies a bit of a
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科学美国人60秒 SSS 一个适合形容今天的单词
This is Scientific American's 60-second Science, I'm Steve Mirsky. Iktsuarpok. If you've ever called in a pizza order and then stepped out the door a ?couple of times to see if the delivery guy was there yet, well, you've experienced iktsuarpok. It's
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科学美国人60秒 SSS 田纳西威士忌口感特别的秘密
This is Scientific American's 60-second Science, I'm Christopher Intagliata. Bourbon whiskey doesn't have to be made in Bourbon County, Kentucky. But it does have to be produced from at least 51 percent corn and be aged in unused charred oak barrels.
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科学美国人60秒 SSS 蜘蛛猴优化丛林声学
蜘蛛猴优化丛林声学 This is Scientific American's 60-second Science, I'm Christopher Intagliata. The hardest part of chasing monkeys through the jungle isn't the snakes. The snakes aren't going to attack you if you don't have contact with the
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科学美国人60秒 SSS 红外线为解冻提供了一种更酷的方法
This is Scientific American's 60-second Science, I'm Adam Levy. Water molecules can arrange themselves to form much larger structures. Take intricate snowflakes, which form all by themselves in the right conditions. Well, now researchers have created
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科学美国人60秒 SSS 美白牙贴会改变牙齿中的蛋白质
This is Scientific American's 60-second Science, I'm Christopher Intagliata. Of all the stuff you can buy on eBay here's a new one: human teeth. I think I probably averaged maybe $5 a tooth. Kelly Keenan, a biochemist at Stockton University in New Je
