The ozone layer is thinner than it used to be. This fact has motivated humans to keep themselves protected from the suns ultraviolet, or UV, rays. But just because we can protect ourselves from these rays doesnt mean that they dont still existthey ex

发表于:2018-12-31 / 阅读(48) / 评论(0) 分类 英语听力文摘 English Digest

Even as adults we still enjoy blowing bubbles, dont we? If youve ever wondered why blowing on a thin film of soapy water creates bubbles, this is your lucky day. All liquids have a property called surface tension. Take water, for example. Water molec

发表于:2018-12-31 / 阅读(57) / 评论(0) 分类 英语听力文摘 English Digest

Is There A Connection Between The Brain And The Gut? Most people realize there is a brain gut connection. Nervous tension can aggravate irritable bowel syndrome and common dyspepsia, or stomach upset. If the brain can upset the gut, can the gut upset

发表于:2018-12-31 / 阅读(55) / 评论(0) 分类 英语听力文摘 English Digest

What Is Whipped Cream? It adorns ice cream sundaes, pumpkin pie, gingerbread, and hot chocolate. Its sweet creaminess tantalizes taste buds and sends dieters running from the scale. Did you ever wonder why heavy cream whips into soft, light peaks? Yo

发表于:2018-12-31 / 阅读(65) / 评论(0) 分类 英语听力文摘 English Digest

Why Does Altitude Cause Headache? Mountain climbers face many dangers as they brave the cold winds and icy slopes and jagged cliffs of the peaks they climb. But one of the most serious dangers they face is all in their headsliterally. Why does altitu

发表于:2018-12-31 / 阅读(64) / 评论(0) 分类 英语听力文摘 English Digest

The Supermarket Numbers Game Have you ever gone to the store just for milk, but walked out with eight sale-priced cans of something youd never tasted and eight candy bars? How does that happen? Brian Wansink and colleagues have studied how people mak

发表于:2018-12-31 / 阅读(54) / 评论(0) 分类 英语听力文摘 English Digest

The Bare Necessities Of Bears In the movie The Jungle Book, Balloo the bear spends his days singing and dancing and munching paw-paws. Actually, this is a pretty accurate picture of real bears, except for the singing and dancing. North American bears

发表于:2018-12-31 / 阅读(69) / 评论(0) 分类 英语听力文摘 English Digest

When Continents Collide: The History Of Our Planet It was one of the Earths momentous times. Continents collided. Volcanoes erupted. Ocean currents shifted. Species ran amok. Twenty million years ago, North and South America were arranged in nearly t

发表于:2018-12-31 / 阅读(56) / 评论(0) 分类 英语听力文摘 English Digest

Night Vision And Humans: Why Cant We See Color? When we are in a fairly dark room, or outside at night away from lights, we can still see, but we cant see the colors of things very well. Why is that? There are two kinds of light-sensitive organs loca

发表于:2018-12-31 / 阅读(78) / 评论(0) 分类 英语听力文摘 English Digest

The title track of Black Rose's newest CD, is called Sky Stamp. It opens with a traditional Mongolian long-song: This is the music of vast open spaces and big blue skies. It is the music of Mongolian nomads, calling out across the grasslands, soothin

发表于:2018-12-31 / 阅读(54) / 评论(0) 分类 英语听力文摘 English Digest

Long Live Us About a century ago, the average life-span for Americans was about 50 years. Today, the typical American lives for around seventy-eight years. According to a German aging study, the maximum life span in industrialized countries has incre

发表于:2019-01-26 / 阅读(53) / 评论(0) 分类 英语听力文摘 English Digest

Winter Wheat 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 youd probably want mid to late summer images of fruit-laden tr

发表于:2019-01-26 / 阅读(71) / 评论(0) 分类 英语听力文摘 English Digest

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. Antioxidant s fight cancer and heart disease. I heard that fruit juices like cranbe

发表于:2019-01-26 / 阅读(59) / 评论(0) 分类 英语听力文摘 English Digest

尼古丁贴片(Nicotine patch )是一种香烟替代品。 尼古丁贴片主要有三种剂量,分别含有7、14、21毫克的尼古丁,使用者可根据吸烟量选择不同剂量的贴片。使用时将贴片贴在皮肤上即可,每天

发表于:2019-01-26 / 阅读(48) / 评论(0) 分类 英语听力文摘 English Digest

查看译文 tips: 怎样阅读才是有质量的阅读了? 中英对照请点击【中英对照】查看译文请点击 【查看译文】进行核对。 The Biggest Magnet 最大的磁体 A: Whats the biggest magnet ever? B: Well, that's a great

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 Superglue 强力胶 Male: Help!Help! Female:What's wrong? 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. F: Superglue ? Cool! What makes supergl

发表于:2019-01-26 / 阅读(76) / 评论(0) 分类 英语听力文摘 English Digest

Do hand sanitizer s work any better than soap and water? Yal: We re-enjoy our hero, the handsome Donne , in the kitchen where he's preparing baked Alaska for his lovely bride. Don: Yes, yes. The way to a woman's heart is through her stomach. Y: But w

发表于:2019-01-26 / 阅读(63) / 评论(0) 分类 英语听力文摘 English Digest

菠菜,我要吃菠菜.菠菜给予我力量.每次被狂揍之后,某一个瞬间,大力水手Popeye以迅雷不及掩耳之势吞下一罐菠菜.随后,肱二头肌开始急剧的膨胀,膨胀到与体型极其不对称.摆几个健美造型后,把反

发表于:2019-01-26 / 阅读(63) / 评论(0) 分类 英语听力文摘 English Digest

Save the Eggs Vaccine makers crack the eggshell and inject the virus into the white stuff surrounding the yolk. Then they reseal the egg, the embryo becomes infected, and the virus is allowed to copy itself trillions of times over. And they use eggs

发表于:2019-01-26 / 阅读(55) / 评论(0) 分类 英语听力文摘 English Digest

Abortion and Breast Cancer When it comes to certain hot topics, claims about what science has or hasnt proven tend to be thrown around more in the service of one position or another than anything else. Somebody may tell you that global warming is abs

发表于:2019-01-26 / 阅读(73) / 评论(0) 分类 英语听力文摘 English Digest