美国科学60秒 SSS 2015-04-01

People with type 2 diabetes have to keep a close watch on their blood glucose levels. Now a small study finds that having the day's biggest meal at breakfast and a smallest meal at dinner offers much better than glucose control than having a small br

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2015年Scientific American(四)月

美国科学60秒 SSS 2015-04-02

Im running over the Williamsburg Bridge in NYC. It connects Brooklyn to downtown Manhattan. Its one of my favorite places to run, cause the views are great. Until you look all the taxis and trucks spewing(喷出) exhaust always makes me wonder, is th

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2015年Scientific American(四)月

美国科学60秒 SSS 2015-04-03

Body odor. The smell of BO is unmistakable. And the culprit(犯人) behind that signature stench(恶臭) is a molecule called thioalcohol(硫醇). Our noses are so attuned(理解的) to it, we can pick up quantities as small as one part per trillion.

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2015年Scientific American(四)月

美国科学60秒 SSS 2015-04-06

A small but growing market exists on the internet for human breast milk. Now a study finds that buyers should really be aware: some purveyors(供货商) of breast milk appeared to be adulterating(掺加) their product with cows milk. Such bovine(牛的

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2015年Scientific American(四)月

美国科学60秒 SSS 2015-04-07

Imagine being able to insistently see what location you happen to be at, looked like 575 or a hundred years ago. A team of app developers wants to use today's ubiquitous digital camera culture to meet such appearing into the past possible. The app ca

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2015年Scientific American(四)月

美国科学60秒 SSS 2015-04-08

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2015年Scientific American(四)月

美国科学60秒 SSS 2015-04-09

Telomeres are parts of chromosomes that protect the ends of the chromosomes. Theyre often likened to the aglets(绳两端的金属箍) at the end of shoelaces(鞋带). And like aglets eventually crack, telomeres tended to get shorter over time, with

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2015年Scientific American(四)月

美国科学60秒 SSS 2015-04-10

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2015年Scientific American(四)月

美国科学60秒 SSS 2015-04-13

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2015年Scientific American(四)月

美国科学60秒 SSS 2015-04-14

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2015年Scientific American(四)月

美国科学60秒 SSS 2015-04-15

Early warning systems can be the difference between life and death in earthquake-prone regions. But they are expensive. The US, Mexico and Japan have such systems. That leaves large swats of central and South America, Asia and the Caribbean unprotect

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2015年Scientific American(四)月

美国科学60秒 SSS 2015-04-17

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2015年Scientific American(四)月

美国科学60秒 SSS 2015-04-20

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2015年Scientific American(四)月

美国科学60秒 SSS 2015-04-16

This is Scientific American 60 Second Science. I'm Christofer Tagiya. Got a minute? Ever run along white sand and it hardens up almost like concrete under your feet? But pick up that same sand and it drizzles through your fingers.So that's the essenc

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2015年Scientific American(四)月

美国科学60秒 SSS 2015-04-29

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2015年Scientific American(四)月

美国科学60秒 SSS 2015-04-30

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2015年Scientific American(四)月

美国科学60秒 SSS 2015-04-27

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2015年Scientific American(四)月

美国科学60秒 SSS 2015-04-28

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2015年Scientific American(四)月

美国科学60秒 SSS 2015-04-21

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2015年Scientific American(四)月

美国科学60秒 SSS 2015-04-22

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2015年Scientific American(四)月