标签：Digest 相关文章
Why Is Gravity Good For Us? When astronauts return from long missions in space, their exit from the spacecraft is usually hidden from public view. This is because after several months in weightless conditions, things we usually take for granted, such
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Why Do I Fear The Dentist? Dear A Moment of Science, I hate going to the dentist. In fact, I openly fear it. Yet Ive never actually had a really bad or painful experience with a dentist. So why do I fear it so much? Youre certainly not alone. Quaking
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Death By Peanut Peanuts are one of the worlds most nutritious foods. Peanuts contain pound for pound more protein, vitamins, and minerals than beef liver and more fat than heavy cream. For approximately .5% of Americans, however, peanuts are not so b
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What Causes A Lump In Your Throat? Oftentimes when we cry, we feel a lump in the throat. Does a lump actually form, or is there some other explanation? 图片1 Explanation The lump-like thing we feel when overcome by emotion has to do with how the ne
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Blowing Milk Out Of Your Nose Remember back in grade school sitting at the lunch table when someone cracked a joke just after you took a swig of milk? As you laughed milk spurted out your nose and sprayed everyone around you. Now thats entertainment.
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Are Cockroaches Actually Useful? The natural History of the Cockroach, on this Moment of Science. For certain species of cockroach, humans make the perfect roommates. Why do cockroaches like living in our houses? And what do they do when theyre not b
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Why Dont Marks On The Surface Of The Moon Disappear? In 1969 when Neil Armstrong said Thats one small step, he made a lasting impression. On the moon, that is. Marks on the surface of the moon dont disappear the way marks on the Earth do; a great exa
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Ice Age Plant Survives To Modern Day Like a science fiction time traveler, an arctic plant of the late Pleistocene age, over thirty one thousand years old, is growing again after a long frozen sleep. History Narrow leafed campion (Silene stenophylla)
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The Science Of Acne Acne: the scourge of adolescence. Most people endure it at some point, and cant wait to be rid of the combination of whiteheads, blackheads, pimples, and pustules that comprise the skin condition that affects over 80% of teenagers
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Cilantro: Love It Or Hate It? On todays Moment of Science, well be sniffing our way through a controversial culinary conundrum: the great cilantro debate. According to scientists working at the Monell Chemical Senses Center, the smell of cilantro usu
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EXPLORATIONS - November 6, 2002: Space Digest By Paul Thompson VOICE ONE: This is Mary Tillotson. VOICE TWO: And this is Steve Ember with the VOA Special English program EXPLORATIONS. Today we tell ab
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Growing Pains The Leonardo Episodes LUKE BROWER The 7th and the last (91/92) season of this popular sitcom saw an unexpected addition to the Seaver family. Mike, while teaching at an urban high school
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Dear Annie: I am a 24-year-old female and have been friends with Danielle for 12 years. In fact, she is the only friend I have. Recently, I expressed some personal frustrations to her about my brother-in-law's lifestyle. Last weekend, he came to visi
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Dear Annie: I'm a 15-year-old girl who has been having problems with another girl for about a year. She's basically stalking me over the computer. I've received multiple threatening messages from her on MySpace. She says, Why don't you just go and ki
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Typical indicators for seasickness are a dry mouth, cold sweat, dizziness and nausea, sometimes followed by vomiting. Medically speaking seasickness is a variation of motion sickness or kinetosis. Though it does not always end up with the affected pe
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The Water Resources Agency (WRA) of Taiwan has called on people to save water as a way to reduce carbon emissions. The WRA pointed out that the low price of tap water in Taiwan, which has not increased in 14 years, has led people to waste the valuabl
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Have you ever seen an old-fashioned ice cream maker? Nestled inside a wooden bucket, there's a metal canister with a hand crank on top. Cranking the handle scrapes the sweet, creamy mixture from the sides of the metal canister, which sits in a bath o
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The modern age is an age of electricity. People are so used to electric lights, radio, televisions, and telephones that it is hard to imagine what life would be like without them. When there is a power failure, people grope about in flickering candle
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Tip for studying overseas part two Remember your roots. Contact people you care about before and after. You are a person with feelings and relocating overseas is a big event. Talk to your close friends and family about your thoughts, dreams and fears
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Less use of air conditioners would be better for us all A strict no-air-conditioning ban was enforced for 87,000 Taiwanese students taking the college entrance examinations this month despite temperatures in many areas reaching 34 to 36 degrees Celsi
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