英语听力文摘 English Digest 639 牙医为何令人害怕

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

英语听力文摘 English Digest 637 颜色有气味吗？

Do Colors Have Smells? Have you ever heard the color blue? Or tasted the musical note F-sharp? For most people, in both cases the answer is no. But for some people blue has a particular sound or shape, and F sharp has a slightly sour taste. This unus

英语听力文摘 English Digest 636 地心引力为何对我们有好处

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

英语听力文摘 English Digest 635 数学伤大脑

Math Hurts My Brain Why? Its time to go again to the A Moment of Science mailbag. A listener writes: Dear A Moment of Science, Im not a math person. In fact, anytime I have to deal with numbers, let alone solve an actual math problem??which, thankful

英语听力文摘 English Digest 634 冰箱是如何工作的？

How Do Iceboxes Work? Back when most folks relied on an icebox to cool food, a block of ice was a precious commodity. If you put hot food in the icebox, the ice might melt. And by the time the ice truck came through the neighborhood again, all your f

英语听力文摘 English Digest 633 无意识行为和心理学

Unconscious Behavior And Psychology Social psychologists have long been intrigued by what they call automatic behaviorthe ways people react to stimuli without consciously thinking about their actions. 图片1 All Hot And Bothered In fact, it seems th

英语听力文摘 English Digest 632 昆虫是如何对抗细菌和寄生虫的？

How Insects Fight Bacteria And Parasites Imagine that youre an insect, and that youve fallen ill because some bacteria or parasites have invaded your body. If you want to make it to a ripe old bug age, your body will need to fight off these invaders.

英语听力文摘 English Digest 631 尽情享受食物可以增加营养的吸收

Enjoying Your Food Increases The Nourishment Your Body Receives Did last nights dinner make you drool with anticipation? Did lunch have you licking your chops? According to research by teams from Thailand and Sweden, enjoying your food increases the

英语听力文摘 English Digest 630 在野外动物会救助其他动物于危难

Animals Help Others Survive In The Wild Even without the guidance of organized religion, some animals instinctively know that its a good thing to help others. A Helping Hand 图片1 For example, when a bird spots a predator, instead of just flying aw

英语听力文摘 English Digest 646 雪橇狗是什么品种？

What Kind Of Dogs Are Sled Dogs? In books and movies like Call of the Wild, huge, vicious huskies pull sleds for hundreds of miles over the Alaskan tundra. A Moment of Science wonders, what kind of dogs are sled dogs? Husky Most champion sled dogs ar

英语听力文摘 English Digest 645 可爱的威力

The Power Of Cute Its time to go again to the A Moment of Science mailbag. A listener writes: Dear A Moment of Science, Ive heard that owning a dog or cat can be a good way to deal with stress and ward off depression. So I was wonderingis it interact

英语听力文摘 English Digest 10、南极冰山倒塌将有全球影响

The unprecedented collapse of an ice-shelf in Antarctica could indirectly lead to a significant rise in global sea levels, researchers say. The Larsen B ice shelf covered more than 3,000 square kilometres and was 200 metres thick until its northern p

英语听力文摘 English Digest 8、How To Start Your Own Business(1)

President Bush says the key to a strong economy is the creation of more small business. But statistics show that most startups are doomed to fail. However, the experts agree that with planning and hard work a new company can beat the odds. This morni

英语听力文摘 English Digest 7、加拿大新女总督

Prime Minister Paul Martin on Thursday will officially name journalist Micha?lle Jean as Canada's next governor general. The official announcement is expected to come at 11 a.m. EDT in Ottawa. Jean will be installed as Canada's 27th governor general

英语听力文摘 English Digest 6、Women See More Color

In this Moment of Science Yael and Don discuss how women can see more color. Yael: Not only are eight percent of men colorblind, but even compared to men who can distinguish between reds and greens, many women may live a more colorful existence. That

英语听力文摘 English Digest 5、Learning to Sing

The complex vocalizations of songbirds are learned, not inherited. Some even have regional accents. Wrens, thrushes and other songbirds don't hatch with their impressive musical talents. They learn to sing their extensive repertoires by listening to

英语听力文摘 English Digest 4、Need Less Sleep

Don: Some people seem to need significantly less sleep than others. Yael: Tell me about it. I have a friend who swears that she sleeps only five hours a night. If she's telling the truth, then she must be bionic. She seems to have plenty of energy, a

英语听力文摘 English Digest 3、大猩猩的健康

ambience: gorilla vocalizations The creatures of the rain forest are at risk from a whole range of human activities -- from hunting to destruction of their habitat. Scientists say that in central Africa, some wild animals are facing another threat fr

英语听力文摘 English Digest 2、Repair the shuttle!

Astronauts at the International Space Station have overcome initial fears and are preparing to perform the first spacewalk beneath the shuttle to repair two dangling pieces of material. The material, used to fill gaps between tiles, is sticking out b

英语听力文摘 English Digest 9、How To Start Your Own Business(2)

Financial experts agree that part of the economic slowdown over the last few years can be attributed partly to the demise of the so-called dot-coms. Investors threw lots of cash at these start-up internet businesses, despite having no clear idea of h