A geostationary satellite orbitsthe planet at the same rate asthe planet rotates, so the satellite i ...

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You know, radio is a great thing. Here I am!要知道，收音机是伟大的发明。Flying high abovethe earth, ...

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Strictly speaking, air is mostly nitrogen–about seventy-eightpercent, and about twenty-one percent ...

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Melatonin, sometimes called “the hormone of darkness,” playsan important role in regulating our da ...

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What makes adolescents so vulnerable to developing addictions to substances like nicotine, alcohol, ...

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Throw your laundry into the dryer without a dryer sheet, and it comes out a rumpled, “staticy” mes ...

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Here's a neat experiment:做一个简单的实验：Find an open doorway and standinside it, facing into the ...

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Sublimation on this moment of science.今天我们的节目要讲的是：升华现象。Pop quiz, everybody put away ...

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Many insects hibernate or migrate during the winter, but honeybees are more like us, they bundleup a ...

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One thinks of nature as “red in tooth and claw,” as the oldsaying goes.有人认为正如一句古话，自然 ...

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Sometimes the biggest finds are the smallest finds.有时候，重大发现源于很小的发现。Researchers exami ...

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Do you think there's life on other planets Don?你认为其他行星上会有生命存在吗？It seems perfectly re ...

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Dear A Moment of Science,亲爱的《科学一科》栏目组：Why do we sleep?我们为什么需要睡觉？I know this q ...

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Most birds flap their wings up and down, but hummingbirds move their wings in a figure-eight pattern ...

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Mushrooms are merely one of many types of fungi.蘑菇只是众多真菌类型的其中之一。Not all fungi grow i ...

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From federal investigations into Major League Baseball to allegations ofsubstance abuse in track and ...

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It's well known that if you're going to eat chocolate, dark chocolate is the way to go.众所周知，如 ...

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Scientists have been debating this question for a long time.科学家们围绕这个问题已经争论了很长的时间 ...

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Sorry, I'm late.I was brushing my teeth.对不起，我迟到了。我刚刚刷牙去了！Brushing your teeth! Right ...

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There's nothing that sends the stomach up into the throatquite as effectively as a sudden, unexpecte ...

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