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听力文摘：隧道与广播
隧道与广播 How come we can hear FM longer in a tunnel than AM? 为什么在隧道中调频广播比调幅广播的信号要好一点？ It's because FM stations transmit at higher frequencies. They generally go from eighty-eight to one-hundred-a
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听力文摘：谁的酒量更大?
Can Men Handle Alcohol Better than Women? 男性酒量比女性好吗？ Some men brag that they can handle alcohol better than women. Can there be some truth to that? 引导语：许多男性吹嘘说他们比女性更能掌握酒量。有事实能证
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听力文摘：戒烟的秘密武器
If you've ever tried to quit smoking, you know that it's one of the harder habits to break. Nicotine addiction is a powerful physical and psychological dependency that conditions the body to crave nicotine in order to maintain feelings of basic well
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听力文摘：绿色的门
The Green Door 绿色的门 Don: Here's a simple demonstration you can do with cool implications. Find a large object that is brightly coloredlet's make it a green door. 告诉你一个很简单的论证：通过它你可以得出很酷的答案。找到
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听力文摘：有三个心脏的家伙
You Gotta Have Hearts 你必须得有的心脏 When it comes to weird sea-creatures, octopuses are hard to beat. There's the well-known ink-squirting defense system, the bird-like beak, and the eight tentacles with their double rows of suckers. 说到怪
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听力文摘：不洗手的害处
The Importance of Hand Washing 洗手很重要 In a recent study of people passing through major U.S. airports, it turned out that about thirty percent weren't washing their hands after using the bathroom. 近日，一项调查发现，30%美国主要机
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听力文摘：杯满了吗?
How Full Is That Glass? 杯有多满？ How does the shape of a glass affect how much you drink? A scientist set out to examine just this, and the results are rather astounding. 水杯的形状是怎样影响喝水量的呢？一位科学家打算调查
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听力文摘：巧克力热饮有益心脏
Good News: Hot Chocolate Is Good for Your Heart! 巧克力热饮有益心脏 Drinking green tea all the time may get a little boring,but it's helping me stay healthy. Antioxidants fight cancer and heart disease. I heard that fruit juices like cranber
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听力文摘：别样的择偶观
Wolf Spider Mating Choices 狼蛛的择偶观 Well, you know what they say. A woman will marry the man who reminds her of her father, and a man will marry a woman who reminds him of his mother. 人们常说，女人会嫁给让她想起自己父亲的男
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听力文摘：昆虫是怎样喝水的?
How Insects Drink？ 昆虫是怎样喝水的？ A: I was sitting on my Porsche yesterday, having asoda, and a wasp picked its head into the can anddrink from my soda. For the sugar i konw that's whyI drink soda. But the Garmin wondering about howdif
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听力文摘：长胖都是"喝"惹的祸
Eat, But Don't Drink Up 吃东西，别喝太多 Well. In a recent study on nutrition, participants spent one month drinking a sugary beverage, and another month eating a solid, sugary food. 近日，科学家做了一项有关营养的研究，测试者
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听力文摘：冬小麦
Winter Wheat 冬小麦 According to the famous song, America is beautiful for its spacious skies, purple mountains, and amber waves of grain. If you were to make a music video based on these lyrics you'd probably want mid to late summer images of fru
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听力文摘：为什么盐会结块?
Why Salt Clumps? 为什么盐会结块？ You probably noticed that sometimes the salt gets clumpy. If it's really humid outsidethere may even be condensation on top of the salt shaker. 生活中，你可能发现盐有时会结块。如果室内很潮
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听力文摘：人类何以长寿?
Long Live Us 人类万岁 About a century ago, the average life-span for Americans was about 50 years. Today, the typical American lives for around seventy-eight years. 约一个世纪以前，美国的人均寿命是50岁左右。如今，美国一般
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听力文摘："飞碟"来袭
UFO Attack 飞碟来袭 June.Nineteen sixty-nine, not one airliner but two, plus the pilot of an Air National Guard fighter plane, report being harassed by a team of UFOs. One man estimates the glowing ships have come within a few hundred feet. The p
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