英语听力文摘 English Digest 314、手茧如何形成？

What Are Calluses And How Are They Formed? 皮肤上的茧是如何形成的？ 人体皮肤由于劳动过程长期摩擦造成皮肤表皮细胞坏死而形成的，主要出现于手掌、足掌等部位。长时间的受到磨檫,组织细胞的老

英语听力文摘 English Digest 313、朝露能预测天气？

Is Dew In The Morning A Good Way To Predict The Weather? 朝露能预测天气？ When the dew is on the grass, rain will never come to pass; When grass is dry at morning light, look for rain before the night. Whats the science behind this old aphori

英语听力文摘 English Digest 312、未来智能轮胎

Smart Wheels 未来智能轮胎 Ya?l: My car is stupid, Don. Don: What do you mean, Ya?l? Y：I turn the key, the engine ignites. I turn the steering wheel, the wheels move. And thats it! D: Well, what you expect? Thats how a car works. Y：I know, b

英语听力文摘 English Digest 310、海洋热量

Ocean Heat 海洋热量 Ya?l: I hear a lot about global warming, but how do scientists take the Earths temperature? Don: Great question. Most of the excess heat trapped by greenhouse gasses like carbon dioxide ends up in the oceans.Thats because the

英语听力文摘 English Digest 309、淡定的老人们

Calm Old Age 淡定的老人们 Ya?l:So here is a question for our listeners: If there were a potion that would allow you to stay young forever, would you take it? Don: Thats obvious, Ya?l? Who wouldnt want to recapture their youth? Y：Im not so sur

英语听力文摘 English Digest 308、音乐疗伤

Musical Healing 音乐疗伤 曾经在心理专栏里，一篇文章至今仍然记忆犹新，说的是失恋必听歌曲，其中一首便是梁静茹的《分手快乐》，据说有科学依据在这种心情时听这样的歌曲有助于恢复常态

英语听力文摘 English Digest 307、选择性记忆删除

Selective Memory Erasure 选择性记忆删除 Ya?l: Have any unpleasant memories, Don? Don: Sure. Who doesn't? Y: What would you say to having them permanently erased from your brain? D: Without losing other memories? Y: Right. Scientists did just t

英语听力文摘 English Digest 306、被误解的水蒸气

Clouds in the Kitchen 厨房飘着的云朵 Fill a kettle with water, then turn on the burner. In a while, your kettle will start belching white billowy stuff into the air. What is this stuff? Steam? Actually, no. Steam is water thats heated to two h

英语听力文摘 English Digest 305、绒线的颜色

The Color of Lint 绒线的颜色 You go to the local laundromat to do your wash.In the spinning barrel full of sudsy water you load clothes of all colors: a bright red tee-shirt, blue jeans, a green bandanna. The original mix of clothing is as multi

英语听力文摘 English Digest 304、老忠实喷泉

Old Faithful 老忠实喷泉是美国黄石公园中最负盛名的景观。黄石最著名的间歇泉是老忠实喷泉，它不像其他喷泉那样爆发没有规律，它每隔几十分钟,就会喷发一次,从不叫旅客失望。它始终如一

英语听力文摘 English Digest 303、肌肉欺骗了你？

Tricking Your Muscles 肌肉欺骗了你？ Heres a neat experiment: Find an open doorway and stand inside it, facing into the room. 做一个简单的实验：找一扇开着的门并站在门口，面向房间。 Now press your arms outward until t

英语听力文摘 English Digest 302、在海啸中航行

Sailing Over a Tidal Wave 海啸是一种具有强大破坏力的海浪。当地震发生于海底，因震波的动力而引起海水剧烈的起伏，形成强大的波浪，向前推进，将沿海地带一一淹没的灾害，称之为海啸。海啸

英语听力文摘 English Digest 311、宇宙生命奥秘

The Habitable Zone 宇宙生命奥秘 适居带(HZ)是天文学上给一种空间的名称，指的是那里的情况有利于生物的存在，或许可以发现像地球这样的生命体。有两种区域是有可能的，一个是在行星系内，

英语听力文摘 English Digest 254、无霜冷冻

Frost-free Freeze Physics 昇華是指一种物质从固态不经过液态直接转化为气态的过程，是物质在温度和气压低于三相点的时候发生的一种物态变化。与昇華相反的过程称做凝華，指物质从气态直接变

英语听力文摘 English Digest 252、疫苗与自闭症无关

Vaccines Not Linked to Autism 最新发表在ClinicalEvidence杂志上的一项来自美国循症医学调查中心的研究显示，麻疹、腮腺炎和风疹(MMR)联合疫苗或单一麻诊疫苗接种与儿童孤独症无关。 新生儿在出生以

英语听力文摘 English Digest 151、当头发变白

Your teenage son wrecks the car. Your daughter shows up with her recently paroled boyfriend. These are the sorts of things that can make your hair turn gray overnight. Actually, it's impossible for hair to completely change color overnight. Hair colo

英语听力文摘 English Digest 150、女人吸烟

D: Yael, what's that in your hand? Y: Come on, Don. Haven't you seen a cigarette before? Every day in the United States, about 1500 girls begin smoking, and I figured, why not do my share? D: But Yael, don't you know that tobacco kills more than 140,

英语听力文摘 English Digest 149、儿童新闻

Hi there, I'm Ore with the BBC World News for Children. It's Tuesday the 1st of June. Coming up: The latest attempt to plug the American oil leak has failed. World Cup teams are picked. And a Japanese teenage girl is a baseball hit! First - the Unite

英语听力文摘 English Digest 148、像猪一样快乐

D: Congratulations on completing your PhD in Zoology this week, Yael. That makes six advanced degrees for you and eleven for me. Y: Well, we want to make sure Moment of Science listeners know they're getting only the best information. D: You must be

英语听力文摘 English Digest 147、流星

If you find yourself away from a city, spend an hour looking up on any clear, moonless night. You're bound to see a few brilliant shooting stars. These actually have nothing to do with stars: They're meteors, and if your viewing conditions are good,