英语听力文摘 English Digest 391、感受空气的存在

What is Air? 空气 D: Strictly speaking, air is mostly nitrogenabout seventy-eight percent, and about twenty-one percent oxygen, which leaves about one percent of other stuff, like water vapor and carbon dioxide. Y: So air is mostly empty space? D:

英语听力文摘 English Digest 377、人兔大战——生生不息

Rabbits Down Under In 1859, an unassuming Australian landowner named Thomas Austin got the hunting bug. Eager for something to shoot, he released twenty-four wild rabbits onto his property and had a jolly time tracking them down. Unfortunately, some

英语听力文摘 English Digest 386、南极有苍蝇？

Whats a Fly Doing in Antarctica ? 南极有苍蝇？ Sometimes the biggest finds are the smallest finds. Researchers examining a segment of siltstone taken from ground along the Beardmore glacier in Antarctica found something unexpected. They found a

英语听力文摘 English Digest 389、好心情是良药

Emotions and the Common Cold 好心情是一剂良药 Yal: Youve probably heard it said that ones attitude affects ones health. Don: Yeah! Yeah! If you maintain a positive attitude or mood, then youre less likely to get sick than if youre angry or de

英语听力文摘 English Digest 408、点点头,更自信！

For Self-Confidence, Just Nod Don: Yal, everyday I grow closer to my goal of mind-control. Yal: What do you mean, Don? D: Checkout thisstudy from Ohio State University that says nodding your head to signal approval and shaking your head to signal dis

英语听力文摘 English Digest 412、防火气球

The Fireproof Balloon 防火气球 Yael, Want to see a trick ? Sure. Here, blow up this balloon. Ok, now what? Now, I light this candle. Now what do you think will happen when you put the flame under the balloon? Itll pop , of course. The flame will

英语听力文摘 English Digest 413、偶尔的“山顶洞人”

Sometime Cavemen 偶尔的山顶洞人 From the bestselling novel Clan of the Cave Bear to the 1981 movie Caveman, pop-culture tends to misrepresent prehistoric people as cave dwelling brute s . But even the most speculative recreations of early huma

英语听力文摘 English Digest 417、寂寞会传染

Loneliness Is Contagious 寂寞会传染 Some diseases are contagious like colds, flu, and chicken pox . But what about loneliness? Loneliness may not be a disease, at least not in the same way that chicken pox is. But loneliness can be contagious .

英语听力文摘 English Digest 419、独一无二的我们

Lithic Principle 岩屑法则 I heard recently that if the laws of nature were changed even a little bit, there would be no people in the universe. Is this true? Well, its certainly true that if the fundamental constants of nature were somehow change

英语听力文摘 English Digest 420、无形的力量

The Invisible Hand 无形的力量 A: What's going on? B: Check out the setup , Yaoyao. A: A stove, an empty aluminum soda can, kitchen tongs , and a saucepan . Are you experimenting with a new recipe ? B:No, i'm experimenting with air pressure. A:Ho

英语听力文摘 English Digest 428、泥土的芬芳

The Smell of Dirt A lot of people love that fresh-dirt smell. The surprising thing, though, is that it isnt coming from the dirt itself. Microbiologist s have traced the pleasant odor to an organic chemical called geosmin. No way! But how does geosmi

英语听力文摘 English Digest 436、UFO来袭！

UFO Attack 飞碟来袭 June.Nineteen sixty-nine, not one airliner but two, plus the pilot of an Air National Guard fighter plane, report being harass ed by a team of UFOs. One man estimates the glowing ships have come within a few hundred feet. The

英语听力文摘 English Digest 91、哪种烟最有害

We all know that smoking cigarettes is bad. But what about smoking a pipe or cigars? Since you dont inhale, is it better for your health? Or at least less bad? Good question.So first, its true that cigarettes are in a league of their own when it come

英语听力文摘 English Digest 79、飞机造成的耳朵不适

When traveling by plane what makes our ears pop, and what is it exactly that pops? Most of us are familiar with this phenomenon of travel: it usually happens on takeoffs and landings. Our ears pop because of the change in air pressure as the plane as

英语听力文摘 English Digest 83、惠特尼休斯顿个唱不尽如人意

Fans have waited 11 years and put up with three postponements of the concert, but the American singer Whitney Houston finally returned to the UK stage last night. But Whitney's comeback gig on British soil prompted a mixed response from the fans who

英语听力文摘 English Digest 92、蚂蚁不怕水

Ant species that burrow have different flood survival strategies. I mean nest design alone can go a long way. Some species make sure to build their nests in sandy or well-drained soil that absorbs moisture and dries quickly. And others build mounds w

英语听力文摘 English Digest 94、笑话-聪明的鲍比

Bobby Brown was very proud of his young son. Once he was talking to a visitor, telling the man how clever his son was. The boy is only two years old, he said, and knows all animals. He's going to be a great naturalist. Here, let me show you. He took

英语听力文摘 English Digest 142、家庭医生

An apple a day keeps the doctor away. Family doctors are usually called GPs, or general practitioners. My name is Louis Brassy. Im a so-called general practitioner doctor in the centre of London. Im one of two doctors working in our clinic and betwee

英语听力文摘 English Digest 146、儿童新闻

Hi there, I'm Sonali from the BBC World News for Children. Coming up: A train crash in India has killed 65 people. Brazil's footballers are set to play Tanzania and Zimbabwe. And frogs cause traffic chaos in Greece. First - at least 65 people have di

英语听力文摘 English Digest 147、流星

If you find yourself away from a city, spend an hour looking up on any clear, moonless night. You're bound to see a few brilliant shooting stars. These actually have nothing to do with stars: They're meteors, and if your viewing conditions are good,