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60秒科学

   Scientific American-60 Second Science 科学美国人-60秒科学是科学美国人网站下的一套广播栏目,开办于2006年,内容以科学报道为主,用仅仅一分钟的时间对当今的科学技术新发展作以简明、通俗的介绍,对于科学的发展如何影响人们的生活环境、健康状况及科学技术,提供了大量简明易懂的阐释。以生动、有趣的事例展现了生活中的科学,富于趣味性!

 

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  • 60秒科学:会唱歌的蓝鲸

    Scientists analyzed around 2,500 of those calls, and found that the second part (sound) is nearly identical in pitch every time from each whale: 16 hertz, or four octaves below middle C. And the slight variations in frequency that do exist are only a...

  • 60秒科学:转基因油菜作物逃离农场

    One of the concerns about working with genetically modified crops has been that vegetation growing in agricultural fields might escape out into the world. Now, for the first time in the U.S., researchers report a large population of GM crops beyond t...

  • 60秒科学:利用录音发现青蛙的数量可能被高估了

    Frog census volunteers misinterpreted recorded frog sounds in the field, leading researchers to suspect that frog populations may be even lower than thought. Declining frog populations are considered an indicator of environmental damage. But new rese...

  • 60秒科学:小白鼠实验表明:辣椒中的辣椒素有助于

    Rats with high blood pressure benefited from a long-term diet rich in capsaicin, which gives the heat to hot peppers and starts a chemical sequence that relaxes blood vessels. Heres a possible blood pressure remedy. But its only for those who can sta...

  • 60秒科学:物理系学生普遍表现出对男教授的偏爱

    Male and female actors gave physics lectures to college students. All students thought the males were more knowledgeable. And whereas female students gave a a slight nod to women teachers, male students thought male teachers were vastly better. Why a...

  • 60秒科学:火星漫游者勇气号出现故障,但仍有希望

    The Mars Rover Spirit has long surpassed its planned three-month mission, and appears to be virtually powerless. Researchers still hope that once the Martian days lengthen, the rover's batteries may charge up to the point where communication again be...

  • 60秒科学:漂亮的名牌标志给人以混淆的信息

    High-end goods with recognizable logos may signal to the less affluent that you have some money, but also to the wealthy that you're not one of them Some people pay big bucks for a designer handbag or a luxury carand the distinctive logo that goes al...

  • 60秒科学:脖子的生成给大脑的发展提供了有力的

    The evolutionary development of the neck allowed more freely moving forelimbs, which allowed further evolution of the head and hands Whats in a neck? Well, its a good place to hang a pendant or a tie. Or to rest your head. Now scientists say that by...

  • 60秒科学:喝酒也会传染?(有声)

    People with a particular variant of a dopamine receptor were more likely to drink more after watching other people drink heavily Spend any time in a bar, and sooner or later youll hear, Ill have what shes having. It sounds like a bad pickup line, but...

  • 人们习惯性刚开始过分乐观 之后过分悲观(有声

    People initially expect to learn a new skill easily, then become overly pessimistic when reality sets in. Have you ever bought a new electronic device, or tried a new activity, and then dropped it because you were sure you couldnt possibly master it?...

  • 原来青蛙还不会落地就先学会了跳跃(有声)

    Frogs from an ancient lineage reveal that the amphibians developed the ability to jump before they had mastered landing Youd think an animal that hops would know how to land. But for a kind of frog, thats not the case. Imagine trying to catch a frog....

  • 一三星系统经黑洞整合后的残余物生成超级行星

    A hypervelocity star appears to be the remains of a three-star system, one star of which was digested by the Milky Way's black hole, with the other two being combined and hurled away. Heres what scientists think happened, oh, about a hundred million...

  • 毛毛虫移动时 内部器官先于外部肢体(有声)

    A caterpillar's guts move forward first, followed by its outer body, according to x-ray studies of the insects walking on a treadmill. Imagine if before you took each step, your guts lurched up into your throat. Well, caterpillars dont have to imagin...

  • 情绪低落抑制视网膜活动 陌生口音加重倾听者疑

    Two studies of perception: the retinas of depressed people are far worse at responding to contrast; people doubt statements more when the speaker has a foreign accent. A couple of studies on perception. First, theres now visual data to back up the id...

  • 棒球伤员数据显示赛季早期更易受伤 其中投手受

    A study of all injuries resulting in Major League Baseball players being put on the disabled list finds that most injuries occur before the All-Star break, and that pitchers are more at risk than non-pitchers. New York Yankees pitcher Andy Pettitte h...

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