What Causes A Can Of Food To Swell? 罐装食品膨胀的原因 Most of us are cautious eaters. If youre munching grapes, youll probably skip one thats all shriveled and discolored in favor of the round, healthy ones. Likewise, when you choose a can...
脑白金到底是什么？ 褪黑素，又名黑素细胞凝集素，俗称为脑白金，是存在于从藻类到人类等众多生物中的一种荷尔蒙，它在生物中的含量水平随每天的时间变化而变化。 Melatonin, sometimes ca...
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...
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...
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...
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，...
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...
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...
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...
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...
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...
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...
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...
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...
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...
