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发表于:2018-12-24 / 阅读(62) / 评论(0) 分类 2014年Scientific American(一)月

A steaming mug of coffee helps me wake up in the morning.But it can do more than just keep your eyes open. Caffine may actually boost your memory. Researchers gathered 160 uncaffinated adults, people who consumed less than 500 milograms of caffine in

发表于:2018-12-24 / 阅读(65) / 评论(0) 分类 2014年Scientific American(一)月

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发表于:2018-12-24 / 阅读(69) / 评论(0) 分类 2014年Scientific American(一)月

Its important to trust your gut because the stomach and the food put into it can influence the entire body. For example a new study finds that mice that eat lots of fiber have stronger resistance against asthmatic attacks. For two weeks, let mice eat

发表于:2018-12-24 / 阅读(56) / 评论(0) 分类 2014年Scientific American(一)月

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发表于:2018-12-24 / 阅读(69) / 评论(0) 分类 2014年Scientific American(一)月

The warm waste environment of your mouth makes it a great place for bacteria, some of which keep busy causing cavities. Such dental difficulties were thought to a really taken-off for we switch from hunting gathering to agriculture and had a ready su

发表于:2018-12-24 / 阅读(76) / 评论(0) 分类 2014年Scientific American(一)月

Haappy New Year. And dont feel bad about taking today off. After all, youve travelled far, and Im not talking about the trip home from the party. According to NASA, just by being on the planet Earth in the last year, youve zipped about 584 million mi

发表于:2018-12-24 / 阅读(69) / 评论(0) 分类 2014年Scientific American(一)月

Beatboxing, as musician Tom Thom was doing in that last example, uses the voice to mimic an incredible range of percussion instruments, from drums, and symbols to records scratches and digeridjuz. But to make such well, inhuman sounds, the performer

发表于:2018-12-24 / 阅读(84) / 评论(0) 分类 2014年Scientific American(一)月

You see it when you watch almost any game:theres a touchdown, a home run, a goal. An athlete has triumphed! And then,almost instantly they raise their arms over their shoulders, shout aggressivelyand push out their chest. Like an animal in the wild o

发表于:2018-12-24 / 阅读(46) / 评论(0) 分类 2014年Scientific American(一)月

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