The Science Of The Siesta When you go back to work or class after lunch, why is it so hard to stay awake? Although we get energy from food, we also use lots of energy to digest it. Your energy use increases 25-50% as you digest a meal. With all that

发表于:2018-12-05 / 阅读(43) / 评论(0) 分类 英语听力文摘 English Digest

Why Does Crying Make Your Nose Run? When you burst out crying, you expect the bleary red eyes and the rivers of tears that stream down your cheeks. But on top of all that, your nose starts to run like a faucet. Why does this happen? Whats the connect

发表于:2018-12-05 / 阅读(132) / 评论(0) 分类 英语听力文摘 English Digest

What Makes White Gold White? Many people associate the metal gold with the color gold. But, some gold jewelry is not golden at all: its white. 图片1 Golden Color Gold is one of the heaviest and softest metals. Pure gold, called 24-carat gold, is so

发表于:2018-12-05 / 阅读(75) / 评论(0) 分类 英语听力文摘 English Digest

SCIENCE IN THE NEWS -February 5, 2002: Digest VOICE ONE: This is Sarah Long. VOICE TWO: And this is Bob Doughty with Science in the News, a VOA Special English program about recent developments in sci

发表于:2018-12-07 / 阅读(44) / 评论(0) 分类 科技之光

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

发表于:2018-12-31 / 阅读(56) / 评论(0) 分类 英语听力文摘 English Digest

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

发表于:2018-12-31 / 阅读(47) / 评论(0) 分类 英语听力文摘 English Digest

What Are Blisters? Remember that hit song from the 80s that featured the chorus: And I would walk five hundred miles / and I would walk five hundred more / Just to be the man who walks a thousand miles / to fall down at your door? What sounds romanti

发表于:2018-12-31 / 阅读(48) / 评论(0) 分类 英语听力文摘 English Digest

Were Losing Niagra Falls! Niagara Falls has been a famous honeymoon spot for over a hundred years: some honeymooners have been more faithful to it than to each other. 图片1 When The Falls Formed Since the falls were formed during the late Pleistoce

发表于:2018-12-31 / 阅读(111) / 评论(0) 分类 英语听力文摘 English Digest

What Makes White Gold White? Many people associate the metal gold with the color gold. But, some gold jewelry is not golden at all: its white. Golden Color Gold is one of the heaviest and softest metals. Pure gold, called 24-carat gold, is so soft th

发表于:2018-12-31 / 阅读(52) / 评论(0) 分类 英语听力文摘 English Digest

Working The Night Shift Its time to go again to the A Moment of Science mailbag. A listener writes: Dear A Moment of Science, My husband works a night shift, and Im worried that it might be affecting his health. He sleeps during the day, but somehow

发表于:2018-12-31 / 阅读(42) / 评论(0) 分类 英语听力文摘 English Digest

Mealworms Can Eat Plastic Waste 粉虱可以食用废塑料 Styrofoam is a plastic with a bad reputation. It cannot be recycled without releasing dangerous pollution into the air. The U.S. Environmental Protection Agency says it is the fifth-largest

发表于:2019-01-12 / 阅读(52) / 评论(0) 分类 2015年VOA慢速英语(十一)月

If you were to lay your digestive tract out in a straight line, it would form a tube spanning nearly ten meters. 如果你将消化道拉直成一条线,它的样子就像是一条长达将近十公尺的管子。 学习重点: 1.digestive tract 消

发表于:2019-01-20 / 阅读(60) / 评论(0) 分类 留美老师带你每日说英文

I could actually eat the meat raw. But its harder to digest and can actually take energy away from the body. So cook meat whenever you can. You see here just where all the water is boiling. And all I need to do is take my shoelace off and then I have

发表于:2019-01-23 / 阅读(51) / 评论(0) 分类 探索与发现2012年

17 科技新闻摘要(六) DATE=6-19-01 TITLE=SCIENCE IN THE NEWS #2129 - Digest BYLINE=Staff VOICE ONE: This is Bob Doughty. VOICE TWO: And this is Sarah Long with Science in the News, a VOA Spec

发表于:2019-01-30 / 阅读(358) / 评论(0) 分类 科技之光

Alexander Popov says good-bye to swimming Four-time Olympic gold medalist Alexander Popov of Russia has retired from swimming, French sportsdaily L'Equipe reported Thursday. Popov, 33, made the decisi

发表于:2019-02-01 / 阅读(94) / 评论(0) 分类 阅读空间

Ever since money was invented there have been people trying to fake it. Thats why its important for everyone to know how to spot a fake banknote. And the best thing to do is to know by heart what genuine notes should look like. Here is our expert Lee

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

Lack of money can cause big financial problems for people. While the banks are closing down branches in city centres, weve seen a growth of pawnbrokers in the high streets.Paul Atkin, the director of online pawnbroker Borro. Here he explains the hist

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

A hundred years after the first youth hostel was created, do such establishments have a part to play in the 21st century? After all one of the traditional images is of big draughty rooms that you have to share with snoring strangers, while being orde

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

Spacesuits are the ultimate in couture. Think about it: Custom-fit garments, dozens of layers deep, made from innovative textiles that can run US$5,000 per square foot, with eye-catching accessories. Gemini suits, moon-dust-coated boots and Neil Arms

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

Tip for studying overseas Part one Being surrounded by an unfamiliar culture, environment and social norms, while being away from family and friends, is something which more and more Chinese students experience in the quest to gain a western educatio

发表于:2019-02-16 / 阅读(41) / 评论(0) 分类 英语听力文摘 English Digest