SCIENCE IN THE NEWS - Digest

SCIENCE IN THE NEWS -February 5, 2002: Digest VOICE ONE: This is Sarah Long. VOICE TWO: And this is Bob Doughty with Science in the News, a VOA Special English program about recent developments in sci

英语听力文摘 English Digest 605、冰山一角

Everyone knows the story of the Titanic, the great ocean liner that struck an iceberg and sank to the bottom of the Atlantic. Less widely known is the icebergs story: where did it come from, and how did it get in the way of the ship? Although the vas

英语听力文摘 English Digest 590、植物的夜生活！

The Nightlife Of Plants Most plants grow buds, flower, or lie dormant at specific times of year. What Triggers These Seasonal Changes? Temperature and rainfall often play a role, but the most important factor to many plants is the length of the day.

英语听力文摘 English Digest 11、感人致深的蒙古音乐

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

Profile: Choice to Head CIA Has Long Experience in Intellige

By Deborah Tate President Bush's nominee to head the Central Intelligence Agency, U.S. Congressman Porter Goss, has long experience with the intelligence community and in politics. Mr. Goss, a Republi

2007年VOA标准英语-Nigerians Hope for More Gasoline with New Gover

By Nico Colombant Port Harcourt, Nigeria 29 May 2007 Many Nigerians hope their new president, Umaru Yar'Adua, will urgently address the issue of gasoline scarcity after he is sworn in today. Even though Nigeria is Africa's biggest oil producer, mass

英语听力文摘 English Digest 437、人类何以长寿？

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

英语听力文摘 English Digest 450、隧道与广播

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

英语听力文摘 English Digest 459、残留的光线

Afterglow Heres 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 blink ing . Then shut your eyes and cover them over with your hands. You will find that the la

英语听力文摘 English Digest 55、和鲨鱼同游

In the immortal words of Michael Corleone in The Godfather, Part II, My father always taught me: keep your friends close, and your enemies closer. Perhaps no creature has taken this advice more literally then the remora, also known as the sucker fish

英语听力文摘 English Digest 58、谈谈诗歌

Amanda: Hi, Mike. What are you reading? Mike: Oh, these are just some books I picked up at a local poetryfestival that took place a couple of weeks ago. Even though a lot of what the featured poets read wasn't in English, it was still neat to see tha

英语听力文摘 English Digest 366、神奇的“鼻子”

Sperm Sniff Out Their Targets 精子靠嗅觉发现卵子 Scientists who study human sperm have long wondered whether human sperm could somehow sense the presence of an egg . Then, just about a decade ago, it was discovered that sperm have protein s

英语听力文摘 English Digest 370、太阳会消失吗？

So Long, Sun 再见了，太阳 D: Wow! What a beautiful sunset. Y: Enjoy it while it lasts, the sun wont be around forever, you know. D: You mean, one day the sun will disappear? Y: Not exactly disappear, but the sun will eventually burn out and die

英语听力文摘 English Digest 411、天冷不宜锻炼？

Too Cold to Exercise? 天冷不宜锻炼？ D: WooIt's freezing out. Y: Come on, It's not that cold. D: Sure it is. Yael.I guess there's just no way I can go jog ging today. Y: Oh, so that's what this all about. D: Not really. What if my lungs freeze

英语听力文摘 English Digest 426、健忘症

Amnesia 健忘症 When we remember something, the neuron s in our brains communicate with each other in a particular way. The chemical and sometimes even structural changes that occur create a pathway called a memory trace. Signals traveling along th

英语听力文摘 English Digest 310、海洋热量

Ocean Heat 海洋热量 Ya?l: I hear a lot about global warming, but how do scientists take the Earths temperature? Don: Great question. Most of the excess heat trapped by greenhouse gasses like carbon dioxide ends up in the oceans.Thats because the

英语听力文摘 English Digest 356、基因也疯狂

DNA Wrath of Khan 成吉思汗疯狂的基因 Today, Afghanistan is a war-torn region, battled over by military forces and world-spanning empire s . Eight hundred years ago things were much the same. Only then, there was only one ruler: Genghis Khan.

英语听力文摘 English Digest 187、驯化狐狸

Dmitry Belyaev, Foxes, And Domestication 你与猫或狗玩耍过吗？在远古，狗对我们的祖先来说还是一种比较危险的动物呢。那么，现在为什么它们这么听话？我们的祖先又是如何驯化它们的呢？今天，就

英语听力文摘 English Digest 274、天然扩音器

Megaphones If you want to call to a friend half a block down a crowded street, you might cup your hands around your mouth to better aim your voice. Have you ever wondered why simple megaphonesamplify your voice so well? Actually, they work for two di

英语听力文摘 English Digest 276、飞机的凝迹

Airplane Contrails Have you ever seen a perfectly cloudless sky? Cloudlessthat isexcept for two or three long white lines smeared across the perfect blue sky by airplanes like smudges on a pane of glass. Why do airplanes sometimes leave contrails beh