标签:听者文摘 相关文章
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
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
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
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
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:
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
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
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
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
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
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
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 .
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
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
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
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
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
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
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
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