In The Past, Insects Were Huge! Once upon a time, hundreds of millions of years ago, many insects were much larger than they are today. Scientists have found fossilized remains of dragonflies with wingspans several feet in diameter. Other insects wer

发表于:2018-12-31 / 阅读(53) / 评论(0) 分类 英语听力文摘 English Digest

According to data posted on McDonalds famous Golden Arches , the fast food giant has served billions of customers around the world . It s safe to assume that other fast food purveyor s such as Burger King , Kentucky Fried Chicken , and others have di

发表于:2018-12-31 / 阅读(62) / 评论(0) 分类 英语听力文摘 English Digest

How Neanderthals Fought Disease Every year people are encouraged to get their annual flu shots. Signs are posted at drug stores and clinics. Get your shots here. Modern preventive medicine has saved millions of lives. But you may be surprised to hear

发表于:2018-12-31 / 阅读(45) / 评论(0) 分类 英语听力文摘 English Digest

Why Do Zebras Have Stripes? For many animals, camouflage is an important part of survival. A leopards spotted coat and a polar bears white fur help them blend into their respective environments. But a zebras bold stripes cant help to disguise it in i

发表于:2018-12-31 / 阅读(44) / 评论(0) 分类 英语听力文摘 English Digest

Survival Of The Sluggish Silkworms have been bred over thousands of years to behave quite unlike their caterpillar cousins in the wild. Thats because people purposely breed silkworms to fit this job description: WANTEDSuperlative silk producers. Bene

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

Do Magic Mushrooms Make People Nicer? Ive heard that psilocybin, which is the hallucinogenic ingredient in psychedelic mushrooms, can alter peoples personalities and make them nicer. Is that true? Well, first, before answering the question, we need t

发表于:2018-12-31 / 阅读(64) / 评论(0) 分类 英语听力文摘 English Digest

Why Salt Clump s 为什么盐会结块? You probably noticed that sometimes the salt gets clump y . If its really humid outsidethere may even be condensation on top of the salt shaker. The reason this happens is that salt is hygroscopic . Hygroscop

发表于:2019-01-26 / 阅读(59) / 评论(0) 分类 英语听力文摘 English Digest

Wolf Spider Mating Choices Well, you know what they say. A woman will marry the man who reminds her of her father, and a man will marry a woman who reminds him of his mother. Well were hardly the only animals to choose mates based on our early social

发表于:2019-01-26 / 阅读(52) / 评论(0) 分类 英语听力文摘 English Digest

The Importance of Hand Washing 洗手很重要 In a recent study of people passing through major U.S. airports, it turned out that about thirty percent werent washing their hands after using the bathroom. These people who dont wash their hands dont j

发表于:2019-01-26 / 阅读(63) / 评论(0) 分类 英语听力文摘 English Digest

Can Men Handle Alcohol Better than Women? 男性酒量比女性好吗? Some men brag that they can handle alcohol better than women. Can there be some truth to that? 引导语:许多男性吹嘘说他们比女性更能掌握酒量。有事实能证

发表于:2019-01-26 / 阅读(46) / 评论(0) 分类 英语听力文摘 English Digest

How Insects Drink? 昆虫是怎样喝水的? A: I was sitting on my Porsche yesterday,having a soda, and a wasp picked its head into the can and drink from my soda.For the sugar i konw that's why i drink soda.But the Garmin wondering about how di

发表于:2019-01-26 / 阅读(47) / 评论(0) 分类 英语听力文摘 English Digest

作为一株小小的或是大大的植物(矛盾吗?),被生长在厚厚的泥土之下的根所束缚着,只能眼睁睁地看着虫子、鸟儿啃食自己的叶子,啄食自己的果实?植物也有保护自己的方法哦,一起来看看吧 Plan

发表于:2019-01-26 / 阅读(48) / 评论(0) 分类 英语听力文摘 English Digest

The Fermi Paradox Back in 1950, the Nobel prize-winning physicist Enrico Fermi was having lunch with friends. Conversation turned to the possibility of extraterrestrial life. According to the popular story, Fermi fell silent for a moment and then ask

发表于:2019-01-26 / 阅读(68) / 评论(0) 分类 英语听力文摘 English Digest

Afterglow Heres an experiment you can try: look at something bright relative to its surroundings, such as a lamp or a sunny window, for ten seconds without blink ing . Then shut your eyes and cover them over with your hands. You will find that the la

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

查看译文 tips: 怎样阅读才是有质量的阅读了? 中英对照请点击【中英对照】查看译文请点击 【查看译文】进行核对。 Pens in Space Legend has it that NASA spent a million dollars developing a pressurized ballpo

发表于:2019-01-26 / 阅读(45) / 评论(0) 分类 英语听力文摘 English Digest

Wolverine the Weasel behind the Myth 狼獾神话背后的鼬鼠 For most people the wolverine is best known as an inspiration for the distinctive design of the University of Michigan logo and as the name of an X-Men character. Real wolverine s cant

发表于:2019-01-26 / 阅读(51) / 评论(0) 分类 英语听力文摘 English Digest

梦可以预知未来? D: Lots of people have had dreams that seem to foretell the future. Some psychologists attribute this to retrieval cues. Y: Retrieval cues? D: A retrieval cue is a coincidence in the real world that trigger s a dream memory w

发表于:2019-01-26 / 阅读(77) / 评论(0) 分类 英语听力文摘 English Digest

黑洞是一种引力极强的天体,就连光也不能逃脱。当恒星的史瓦西半径小到一定程度时,就连垂直表面发射的光都无法逃逸了。这时恒星就变成了黑洞。说它黑,是指它就像宇宙中的无底洞,

发表于:2019-01-26 / 阅读(59) / 评论(0) 分类 英语听力文摘 English Digest

Motional Induction Last time, we talked about motional induction , a phenomenon by which the ocean generate s a magnetic field. It works like this: earth has its own magnetic field. The ocean has plenty of charged atoms in it, in the form of dissolve

发表于:2019-01-26 / 阅读(55) / 评论(0) 分类 英语听力文摘 English Digest

Microneedles 微针疗法 Female: From flu vaccin es to tetanus booster s , injections are a must in modern medicine. But do they always have to make you say Ouch? Male: Eh,no? F: No,indeed.If new microneedle technology is successful, we may soon hav

发表于:2019-01-26 / 阅读(61) / 评论(0) 分类 英语听力文摘 English Digest