This is Scientific America's 60-second Science. This will just take a minute. Losing your job is bad for you, but it could be good for the rest of us. because a study shows the recession lowers mortality in the population over all, even the out-worki

发表于:2019-01-20 / 阅读(62) / 评论(0) 分类 2014年Scientific American(八)月

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发表于:2019-01-20 / 阅读(57) / 评论(0) 分类 2014年Scientific American(八)月

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发表于:2019-01-20 / 阅读(58) / 评论(0) 分类 2014年Scientific American(八)月

How heavy is the Milky Way in comparison to its neighbor galaxy, Andromeda? Well, depends how you calculate it. In 2006 one group of astronomers figured the Milky Way was twice as massive as Andromeda. A 2009 estimate evened the score, calculating th

发表于:2019-01-20 / 阅读(71) / 评论(0) 分类 2014年Scientific American(八)月

How heavy is the Milky Way in comparison to its neighbor galaxy, Andromeda? Well, depends how you calculate it. In 2006 one group of astronomers figured the Milky Way was twice as massive as Andromeda. A 2009 estimate evened the score, calculating th

发表于:2019-01-20 / 阅读(62) / 评论(0) 分类 2014年Scientific American(八)月

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发表于:2019-01-20 / 阅读(60) / 评论(0) 分类 2014年Scientific American(八)月

This is Scientific Americans 60-Second Science. I am Christopher itagliata. Got a minute? How heavy is the Milky Way in comparison to its neighbor galaxy, Andromeda? Well, depends how you calculate it. In 2006 one group of astronomers figured the Mil

发表于:2019-01-20 / 阅读(73) / 评论(0) 分类 2014年Scientific American(八)月

This is Scientific Americans 60-Second Science. I am Christopher Intagliata. Got a minute? Wanna know what the most popular movies, albums and video games are? Ask the internet. But don't Google it. Check what other people Googled. That's the theory

发表于:2019-01-20 / 阅读(61) / 评论(0) 分类 2014年Scientific American(八)月

How often have you longed to have time to just sit quietly and think? Well, be careful what you wish for. Because a study shows that many people find such interludes incredibly unpleasant. So uncomfortable, in fact, that they would rather zap themsel

发表于:2019-01-20 / 阅读(70) / 评论(0) 分类 2014年Scientific American(八)月

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As is well known, geckos sell car insurance. But theyre also famous for their extremely adhesive feet, which can keep them stuck to walls and even ceilings. Archimedes wondered how they do it. Geckos can also easily loosen their grip and break into a

发表于:2019-01-20 / 阅读(71) / 评论(0) 分类 2014年Scientific American(八)月

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发表于:2019-01-20 / 阅读(57) / 评论(0) 分类 2014年Scientific American(八)月

Ever look in the mirror the first thing in the morning and say I look like a crap While for some spiders, looking like poop can actually be a life saver, because masquerading as a bird toes appears to protect certain eragnite from getting eaten by wa

发表于:2019-01-20 / 阅读(53) / 评论(0) 分类 2014年Scientific American(八)月

Do you like working up a sweat? Or do you feel like maybe sweat should work for you? Well, hold on to your sudoriferous glands. Because researchers have designed a device that could someday produce power from your perspiration. The schvitzy scheme wa

发表于:2018-12-24 / 阅读(54) / 评论(0) 分类 2014年Scientific American(八)月

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发表于:2018-12-24 / 阅读(39) / 评论(0) 分类 2014年Scientific American(八)月

If youre a fan of the Beatles, you no doubt know that [She Loves You] came before [All You Need Is Love]. But what about [Help!] or [Yellow Submarine] or [I am the Walrus]? You may not know which came first, but researchers from Lawrence Technologica

发表于:2018-12-24 / 阅读(40) / 评论(0) 分类 2014年Scientific American(八)月

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发表于:2018-12-24 / 阅读(48) / 评论(0) 分类 2014年Scientific American(八)月

Based on the sheer number of ants that invaded my home this summer, it seems hard to believe, but a new study finds that the numbers of invertebrates, which include any animal without a spine, has fallen by nearly half over the past thirty-five years

发表于:2018-12-24 / 阅读(46) / 评论(0) 分类 2014年Scientific American(八)月

Sometimes after a long hard day, all you want is a bacon cheeseburger, a pile fries and may be a dessert donut. After all, the stress that seems to be eating you up can be eased by what you eat up, right? Sadly, it is time to burst the bubble in your

发表于:2018-12-24 / 阅读(43) / 评论(0) 分类 2014年Scientific American(八)月

This is scientific American's 60 seconds science. I'm Eric Berris. Got a minute? We all have those confidence surging songs that we listen to before making an event. Now researchers say that the lyrics are not what necessarily what make us feel domin

发表于:2018-12-24 / 阅读(53) / 评论(0) 分类 2014年Scientific American(八)月