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  • 美国科学60秒 SSS 2015-01-12

    This is Scientific American - 60 seconds Science. I'm Synthia Graver. Got a minute. It's obivious that say turning the lights off saves money, but being reminded that using less energy saves money may not be the most effective way to motivate consume...

  • 美国科学60秒 SSS 2015-01-08

    This is scientific American 60 seconds science. I'm *, got a minute ?Genetically engineered bacteria already proves some products are commercial interests or biometical importance such as insulin. And coaxing the organism to do so can be done with a...

  • 美国科学60秒 SSS 2015-01-06

    Sometimes it is hard to see the light, especially it lies in the invisible spectrum, like ultrared, ultraviolet radiation. But if you long to see the unseeable, you might interested to hear that under certain conditions people can catch a glimpse of...

  • 美国科学60秒 SSS 2012-12-31

    Archaeologys taking to the air. Researchers spent a month this summer testing a semi-autonomous unmanned aerial vehiclebasically a semi-autonomous dronehigh in the Andes in Peru. The goal: to scan a colonial town from the 1500s that had been built ov...

  • 美国科学60秒 SSS 2012-12-28

    When autumn rolls around, the leaf peepers come out in force. Armed with digital cameras, they record the most spectacular displays of fall foliage. Well according to a study in the journal Functional Ecology [Toshie Mizunuma et al., The relationship...

  • 美国科学60秒 SSS 2012-12-27

    Cases of the flu peak in winter in the U.S., but why? A new study suggests it's not the heat, but huminity. Or lack thereof. Because in temperate regions, the influenza virus fares best when the weather's dry. That's according to work published in th...

  • 美国科学60秒 SSS 2012-12-26

    When I say telecommuting, do you picture yourself easing into the workday in a pair of fuzzy slippers? Well, so does your boss. But the reality is, youre both dreaming. Because a new study shows that folks who work at home at least some of the time,...

  • 美国科学60秒 SSS 2012-12-25

    The sign to America apart guess is response by audible.com. A little more online resource for access out your books and more, and now audible.com is for sign American listeners free out of your notebook for your choice. For details, go to audible.com...

  • 美国科学60秒 SSS 2012-12-24

    Every fall, you need a new flu shot. Thats because todays vaccines train your immune system to recognize specific strains of flu, indentified by two proteins on the viruss coat, / and /. Thats where the H and N come from in H1N1. Problem is those pro...

  • 美国科学60秒 SSS 2012-12-21

    Everyfall, you need a new flu shot. Let's consider these vaccines training ourimmune system, the recognize specific strains of flu. Identifying by two protein on the virus coat, hem agglutinin(血细胞凝集素) and neuraminidases(神经氨酸酶)....

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