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听力文摘：强力胶
Superglue 强力胶 Male: Help！Help! 求助！求助！ Female:What's wrong？ 你怎么了？ M: I was fixing my coffee cup with superglue.And I must have got some on my fingers but I scratch my forhead.And now my hand is stuck to my head. 我刚刚
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听力文摘：狗狗和环保
Scoop That Poop 我好无辜的 Actually, dog poop turns out to have a pretty big environmental impact. If you think that two in five households in the U.S. have at least one dog and that about forty percent of Americans don't clean up after their po
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听力文摘：最大的磁体
The Biggest Magnet 最大的磁体 A: What's the biggest magnet ever? 究竟什么是最大的磁体？ B: Well, that's a great question. Well, for starters you'd have to mention whoppers like the hybrid magnet at the National High Magnetic Field Lab
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听力文摘：食盐大战冰块
Salt vs. Ice 食盐大战冰块 Y: Why does salt melt ice? 为什么食盐能让冰块融化？ D: It lowers the melting and freezing point of water. 是因为食盐将水的熔点和冰点降低了。 Y: Oh,OK.Wait,I don't get it. Doesn't that mean
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听力文摘：红色谷仓缘何而来?
Why Barns Are Red 为什么谷仓是红色的？ Ya?l: This was a great idea, Don. It's a beautiful day for a drive to the countryside. Don，这主意真的太棒了！今天超适合开着车到郊外兜风！ Don: Yep! 赞成！ Y: Hey, there's a
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听力文摘：气候变化与小提琴
Why do Stradivarius violins sound so good? 为什么史特拉第瓦里小提琴声音那么美妙？ A: What did I tell you？ 我告诉过你什么来着？ B: You're right Yaoyao.This is a beautiful piece. 瑶瑶，你说的很对，这是一首美妙
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听力文摘：残留的光线
Afterglow 夕照，晚霞 Here's an experiment you can try: look at something bright relative to its surroundings, such as a lamp or a sunny window, for ten seconds without blinking. Then shut your eyes and cover them over with your hands. 你可以尝
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听力文摘：外太空有人吗?
The Fermi Paradox 费尔米悖论 Back in 1950, the Nobel prize-winning physicist Enrico Fermi was having lunch with friends. Conversation turned to the possibility of extraterrestrial life. According to the popular story, Fermi fell silent for amome
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听力文摘：梦可以预知未来?
梦可以预知未来？ D: Lots of people have had dreams that seem to foretell the future. Some psychologists attribute this to retrieval cues. 许多人都做过一些好像可以预知未来的梦。心理学家把这种现象归因于提取线索。
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听力文摘：洗手液比肥皂水好用吗?
Do hand sanitizers work any better than soap and water? 洗手液比肥皂水好用吗？ Ya?l: We re-enjoy our hero, the handsome Donne, in the kitchen where he's preparing baked Alaska for his lovely bride. 再看看我们的男主角Donne，不仅拥
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听力文摘：奇妙的海洋食物链
Overfishing Whales and the Environment 过度捕鲸与环境 Until recently, when scientists studied changes in open-ocean ecosystems, they looked at changes in the bottom of the food chain that gradually make their way to the top, like food shortage
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听力文摘："太空笔"是奢侈品吗?
Pens in Space 太空笔 Legend has it that NASA spent a million dollars developing a pressurized ballpoint pen that astronauts could use in space, while the Russians merely opted to use a pencil. Embarrassing, right? Luckily, though, this is nothing
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听力文摘：动物界的英雄
Wolverinethe Weasel behind the Myth 狼獾神话背后的鼬鼠 For most people the wolverine is best known as an inspiration for the distinctive design of the University of Michigan logo and as the name of an X-Men character. 对多数人来说，狼獾
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听力文摘：吃菠菜长肌肉?
The Strength of Spinach? 菠菜的神力？ Don: Ya?l, have you ever heard of Popeye the Sailorman? Whenever he is getting beaten up he eats some spinach and becomes really strong. His muscles bulge out and everything. 你有听说过大力水手波沛
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听力文摘：长期用筷子有损关节
Chopsticks and Arthritis 筷子与关节炎 If you've ever tried eating with chopsticks, you know they can be a pain to learn how to use. According to a Boston University study, ever since their invention nearly five-thousand years ago, chopsticks ha
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