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

发表于:2019-01-26 / 阅读(49) / 评论(0) 分类 英语听力文摘 English Digest

Mike: What're you doing up so early, Amanda? Have you decided to take up jogging in the park like me? Amanda: No, Mike. You know I really can't stand jogging. I've joined a yoga class at our local fitness center. I hear it's a great way to stay fit.

发表于:2019-01-26 / 阅读(49) / 评论(0) 分类 英语听力文摘 English Digest

Sewage stinks. But bacteria can make it smell better. Oh, yeah? That's true. Certain forms of bacteria feasting on sewage give off hydrogen sulfide, a really malodorous chemical, and one of several that give sewage its pleasing smell. In general this

发表于:2019-01-26 / 阅读(66) / 评论(0) 分类 英语听力文摘 English Digest

Its 60 feet long, made of lightweight, fuel-efficient material and can carry eight people out of this world and back. The first commercial spaceship was unveiled by Sir Richard Branson, who hopes to start passenger trips within two years. The price t

发表于:2019-01-26 / 阅读(49) / 评论(0) 分类 英语听力文摘 English Digest

The economic fallout from the Enron bankruptcy scandal is one example of why it's important for you to find a good accountant. Experts say start-ups and established businesses can avoid legal problems that can doom their companies by finding trusted

发表于:2019-01-26 / 阅读(95) / 评论(0) 分类 英语听力文摘 English Digest

Can You Choke a Fly? 你绝对勒不死苍蝇 Don:These dark flies are driving me badly! I wish I could strangle each of every one of them! Yal:Im sorry to say, but thats impossible. D: I realize that. I dont mean that I have to strangle all of them.

发表于:2019-02-16 / 阅读(49) / 评论(0) 分类 英语听力文摘 English Digest

How Birds Breathe 鸟是如何呼吸的 Y: Don, flying is tougher than walking or running, right? So how come birds dont get winded and run out of breath? D: Actually, in terms of distance per unit energy, flying is pretty efficient . Plus birds have

发表于:2019-02-16 / 阅读(71) / 评论(0) 分类 英语听力文摘 English Digest

肌肉生而不等 Don:Its not fair! Yal: Whats not fair? D: I was rereading the Constitution of the United States. It says here that All people are created equal.Thats just not true! Y:What do you mean? D: Well, its always being my dream to become t

发表于:2019-02-16 / 阅读(65) / 评论(0) 分类 英语听力文摘 English Digest

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

发表于:2019-02-16 / 阅读(67) / 评论(0) 分类 英语听力文摘 English Digest

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

发表于:2019-02-16 / 阅读(60) / 评论(0) 分类 英语听力文摘 English Digest

Canine Compulsive Disorder 狗也有强迫症? Yal: Your dog Raphine sure to be seemed to be lick ing his legs excessive . Is he Ok? Don: Its nothing! Y: Im afraid not, Don. Raphine may have what animal behaviorists call canine compulsive disorder

发表于:2019-02-16 / 阅读(65) / 评论(0) 分类 英语听力文摘 English Digest

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:

发表于:2019-02-16 / 阅读(64) / 评论(0) 分类 英语听力文摘 English Digest

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

发表于:2019-02-16 / 阅读(67) / 评论(0) 分类 英语听力文摘 English Digest

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

发表于:2019-02-16 / 阅读(54) / 评论(0) 分类 英语听力文摘 English Digest

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

发表于:2019-02-16 / 阅读(60) / 评论(0) 分类 英语听力文摘 English Digest

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

发表于:2019-02-16 / 阅读(61) / 评论(0) 分类 英语听力文摘 English Digest

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

发表于:2019-02-16 / 阅读(72) / 评论(0) 分类 英语听力文摘 English Digest

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

发表于:2019-02-16 / 阅读(58) / 评论(0) 分类 英语听力文摘 English Digest

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 .

发表于:2019-02-16 / 阅读(52) / 评论(0) 分类 英语听力文摘 English Digest

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

发表于:2019-02-16 / 阅读(65) / 评论(0) 分类 英语听力文摘 English Digest