Heres an easy way to find out if someone is a narcissist. Just ask them. Thats according to a study in the journal PLoS One. Researchers posed the following question to more than two thousand people: To what extent do you agree with this statement: I

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科学美国人60秒 SSS 2014-09-02

When you hear the word mutation, you may think of something destructive, or of Marvels X-Men. But some mutationswhich are just differences in DNAcan be historic. Take, for example, a genetic sequence found in the vast majority of people from Tibet. M

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科学美国人60秒 SSS 2014-09-03

Everybody loves chimpsespecially their endearing entreaties. Scientists, too, love to listen to chimps chat. And they enjoy sharing these colorful commentaries with their colleagues. Now, anyone with a hankering for primate prattle can listen in. Bec

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科学美国人60秒 SSS 2014-09-05

You have probably noticed that the synthetic shirts stinks more after a workout, compared to cotton. But hey, it's not the fabric's fault, it's the microscobes that hang out on synthetics that create the characteristic stach. That's according to a st

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科学美国人60秒 SSS 2014-09-08

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科学美国人60秒 SSS 2014-09-09

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科学美国人60秒 SSS 2014-09-12

This is Scientific American Sixty Second Science. I'm Christopher Intagliata. Got a minute? You've probably noticed that synthetic t-shirts stink more after a work-out, compared to cotton. But hey, it's not the fabric's fault, it's the microbes that

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科学美国人60秒 SSS 2014-09-15

Sepsis is a potentially deadly inflammatory condition caused by infections. Muppet creator Jim Henson was a famous victim. Proper treatment of sepsis can require knowing what bacteria or virus caused the infection. But the identification can take day

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