Although it is devastating to find out that Chicago is sinking, were only talking one millimeter a year. Thats four inches in a century, but only until the land in North America brings itself back into equilibrium. When glaciers covered Canada and th

发表于:2019-02-24 / 阅读(58) / 评论(0) 分类 英语听力文摘 English Digest

D: OK, Yael, if you were me, would you take your date to a violent action flick, or a romantic movie? Y: A romance, of course. D: There might be some scientific basis for why romantic movies make for good dates. In one study, participants were asked

发表于:2019-02-24 / 阅读(73) / 评论(0) 分类 英语听力文摘 English Digest

Y: I noticed that fish have holes that look like nostrils, does that mean they can smell? D: Smell, or olfaction, as scientists call it, is an important sense for many fish. Those little holes that look like nostrils are called nares. Nares dont lead

发表于:2019-02-24 / 阅读(76) / 评论(0) 分类 英语听力文摘 English Digest

Polly Talks, Therefore He Thinks? Calling someone a birdbrain is not intended as a compliment. But some birds seem pretty smart. Parrots, for example, can mimic human speech. But does a parrots ability to repeat human words and phrases mean that it c

发表于:2019-02-24 / 阅读(74) / 评论(0) 分类 英语听力文摘 English Digest

Squirrel vs. Snake So lets say youre a common ground squirrel. Just for a moment, pretend youre minding your own business, searching for seeds, doing whatever it is that squirrels like to do. Then, suddenly, out from behind a bush slithers a huge, si

发表于:2019-02-24 / 阅读(63) / 评论(0) 分类 英语听力文摘 English Digest

Remembering Appearances Y: Don, Who do you think is better at remembering details of peoples appearances, women or men? D: Women, hands down, Yael. You women are so judgemental about appearences, you pick on the tiniest details of a person's clothing

发表于:2019-02-24 / 阅读(75) / 评论(0) 分类 英语听力文摘 English Digest

白天想念某人,晚上就会梦见TA吗? Many of you probably think that the more time you spend thinking about something, the more likely you would be to dream about it. A study suggests the opposite, that if we actively try to suppress a sub

发表于:2019-02-24 / 阅读(78) / 评论(0) 分类 英语听力文摘 English Digest

Hi there, I'm Ricky from the BBC World News for Children. It's Thursday the 10th of June. Coming up: Pop star Shakira's set to kick off the World Cup. South Korean rocket has 'exploded'. And the technology that allows students to sit exams at home. F

发表于:2019-02-24 / 阅读(59) / 评论(0) 分类 英语听力文摘 English Digest

If you live up in the mountains, understanding the continually shifting landscape can mean survival. Mountains are continually shifting. Erosion wears mountains down, but active mountain ranges are also continuously rising. And heres the interesting

发表于:2019-02-24 / 阅读(70) / 评论(0) 分类 英语听力文摘 English Digest

It's a common enough sound in summer, after the wind finally picks up on a hot and humid afternoon, as the rain starts spattering down in big, fat drops--you're in for a full-blown thunderstorm. It's much less common in winter, even during a snow sto

发表于:2019-02-24 / 阅读(104) / 评论(0) 分类 英语听力文摘 English Digest

Some methods of preserving food are easy to understand. For example, it's easy to see that freezing your food, or packing it in salt, would make it inhospitable to the microbes which would otherwise cause it to spoil. You might wonder, however, about

发表于:2019-02-24 / 阅读(52) / 评论(0) 分类 英语听力文摘 English Digest

Don: Hey, Yael, Have you heard? We've discovered two new oceans? Yael: Where? D: On Mars. Well, they aren't there any longer, but they were there a few billion years ago. Y: I thought scientists weren't sure if Mars had oceans or not. D: They weren't

发表于:2019-02-24 / 阅读(56) / 评论(0) 分类 英语听力文摘 English Digest

Everybody loves the swimming pool. But how clean is the water in the average backyard or public pool? If you trust chlorine to take care of germs, you're in for a surprise. Chlorine and other disinfectants do indeed help to clean the water, but some

发表于:2019-02-24 / 阅读(89) / 评论(0) 分类 英语听力文摘 English Digest

Hi there, I'm Sonali from the BBC World News for Children Team. It's Friday the 4th of June. Coming up..... McDonald's has pulled Shrek glasses over health fears. There's been a massive fire in Bangladesh. And Stosur reaches the French Open final in

发表于:2019-02-24 / 阅读(56) / 评论(0) 分类 英语听力文摘 English Digest

D: Oh, no, Yeal, it is starting to rain, and I left my ant farm outside.Now my ants would drown and die. Y: Come on, Don. I am guessing plenty of ants drown everytime it rains, which makes me wonder how do ground-nesting ants cope with rain? D: Actua

发表于:2019-02-24 / 阅读(74) / 评论(0) 分类 英语听力文摘 English Digest

D:Yael, do you know what's the best thing about state affair? Y: Do you tell. D: Fried candy bars, two favoriate treats rolled into one. And doesn't it bother your mind how they manage fried chacholate without making a terrible mess? Fried candy ba

发表于:2019-02-24 / 阅读(75) / 评论(0) 分类 英语听力文摘 English Digest

Can Animals Count? 动物会数数? Can animals count? People count easily, from the time we are little kids and learn our one-two-threes. But what about other species? Careful observations in the wild support the idea that some can. The American c

发表于:2019-02-24 / 阅读(79) / 评论(0) 分类 英语听力文摘 English Digest

What Makes Hybrid Cars So Efficient ? 最快的车是什么? Don : Hybrid cars are known as hybrid s because they use an electric motor to augment the performance of a small, efficient gasoline engine. But this isnt the only reason hybrid s are mor

发表于:2019-02-24 / 阅读(103) / 评论(0) 分类 英语听力文摘 English Digest

All This Carbon Dioxide is Making Me Hungry 伊利诺伊大学的研究人员在《美国国家科学院院刊》(PNAS)网络版发布的一项最新研究报告显示,大豆类作物的抗虫害能力正随着二氧化碳含量的增多而逐渐

发表于:2019-02-24 / 阅读(63) / 评论(0) 分类 英语听力文摘 English Digest

Dinosaur Oil Crisis 恐龙灭绝有关石油危机? 恐龙是距今1亿3千万年前地球上爬行动物的总称。它们的种类很多,身体大小、形状、生活习性各不相同,陆地、海洋、空中都是恐龙类爬行动物的活动

发表于:2019-02-24 / 阅读(71) / 评论(0) 分类 英语听力文摘 English Digest