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[科学美国人技术系列] 60秒科学:狗狗希望和你享用同样的食物
Does your puppy turn his nose up at his own chow—because he wants some of whatever it is that you’re having? A new study finds that, when it comes to food, dogs recognize human social signals about
2012-04-27 编辑：beck 标签： 我来听写
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[科学美国人技术系列] 60秒科学:"随你付"让顾客望而却步
Music, film and video game makes face a new online, digital world. And some are testing a revolutionary pricing system: pay-what-you-want. But a new study finds that when consumers can name their own
2012-04-26 编辑：beck 标签： 我来听写
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[科学美国人技术系列] 60秒科学:大脑定位说话者
It’s tough to pick a familiar face out of a crowd—but focusing on a known voice in a noisy room is easy. And a new study scanned volunteers’ brains to look at how we solve the so-called cocktail p
2012-04-25 编辑：beck 标签： 我来听写
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[科学美国人技术系列] 60秒科学:绿激光——纸张回收新选择
Every year, about 10 million tons of paper winds up in American landfills and incinerators, which is not only wasteful but adds CO2 to the atmosphere. Recycling helps, but even that material has to b
2012-04-24 编辑：beck 标签： 我来听写
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[科学美国人技术系列] 60秒科学:投票地点影响投票给谁
On election day, where do you vote? If it's in a church, you might be inclined to vote more conservatively than if you cast your ballot at a school or government building. That’s according t
2012-04-20 编辑：beck 标签： 我来听写
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[科学美国人技术系列] 60秒科学:发展鲨鱼生态旅游比做鱼翅汤更赚钱
Tens of millions of sharks are killed for their fins each year. It's not just a tragic abuse of the animals. It's bad business.人类对鱼翅的贪欲导致每年有数以千万计的鲨鱼遭到杀戮。这不
2012-04-19 编辑：beck 标签： 我来听写
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[科学美国人技术系列] 60秒科学:为何白纸随着时间推移会发黄
As it ages, white paper turns a distinctive yellow. But why? To find out, scientists artificially aged modern paper to reveal the changes on the molecular level. The research is in the journal Physic
2012-04-18 编辑：beck 标签： 我来听写
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[科学美国人技术系列] 60秒科学:冰敷对付蚊虫叮咬最有效
Spring is in the air. And so are those dang insects, hungry for a blood meal. The victim can wind up with a bunch of bites, red and itchy. So what drugs can quench that itch? Maybe none, according to
2012-04-17 编辑：beck 标签： 我来听写
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[科学美国人技术系列] 60秒科学:不幸日里的不幸
If you have paraskevidekatriaphobia, today is not your day. That’s right, paraskevidekatriaphobia is fear of Friday the 13th and the accidents, mishaps and misfortunes thought by some to occur on th
2012-04-16 编辑：beck 标签： 我来听写
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[科学美国人技术系列] 60秒科学:全球变暖不利植物生长
Global warming might seem like a botanical boon. After all, milder temperatures and more carbon dioxide and nitrogen should feed flora. But a ten-year study has found that any initial positive effect
2012-04-13 编辑：beck 标签： 我来听写
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[科学美国人技术系列] 60秒科学:智能手机的隐藏成本
Free smart phone apps might seem like a deal. But they can have a hidden cost: your phone's battery life. That's because free apps often serve up ads, which can drain your battery mor
2012-04-12 编辑：beck 标签： 我来听写
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[科学美国人技术系列] 60秒科学:麻雀叫声穿透城市噪音
City dwellers compete with the din of traffic to be heard. And it’s not just urban humans. Sparrows living in San Francisco's Presidio district actually tweet their tunes in a higher registe
2012-04-10 编辑：beck 标签： 我来听写
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[科学美国人技术系列] 60秒科学:大斋节结束,鬣狗有了免费午餐
Many Christians give up meat for Lent, a practice that indirectly affects…hyenas, believe it or not.许多基督徒在大斋节期间会放弃食用肉类。不论你信与不信，这对鬣狗产生了间接的影响。In northern Ethiop
2012-04-09 编辑：beck 标签： 我来听写
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[科学美国人技术系列] 60秒科学:YouTube大赛优胜者的太空创意
The first YouTube Space Lab contest has announced its winners. Young people entered by creating a short video of their idea for an experiment to be done in space. I was a judge. One of the two winner
2012-04-05 编辑：beck 标签： 我来听写
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[科学美国人技术系列] 60秒科学:"苹果"里的青蛙
Scientists discover new species all the time—on the order of 15,000 a year. One of the latest additions to the tree of life is a new type of leopard frog. Which might sound unremarkable, except for
2012-04-01 编辑：beck 标签： 我来听写
