Wolverinethe 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. 对多数人来说,狼獾...
Pens in Space 太空笔 Legend has it that NASA spent a million dollars developing a pressurized ballpoint pen that astronauts could use in space, while the Russians merely opted to use a pencil. Embarrassing, right? Luckily, though, this is nothing...
Overfishing Whales and the Environment 过度捕鲸与环境 Until recently, when scientists studied changes in open-ocean ecosystems, they looked at changes in the bottom of the food chain that gradually make their way to the top, like food shortage...
Do hand sanitizers work any better than soap and water? 洗手液比肥皂水好用吗? Ya?l: We re-enjoy our hero, the handsome Donne, in the kitchen where he's preparing baked Alaska for his lovely bride. 再看看我们的男主角Donne,不仅拥...
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. 许多人都做过一些好像可以预知未来的梦。心理学家把这种现象归因于提取线索。...
The Fermi Paradox 费尔米悖论 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 amome...
Afterglow 夕照,晚霞 Here's 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 blinking. Then shut your eyes and cover them over with your hands. 你可以尝...
Why do Stradivarius violins sound so good? 为什么史特拉第瓦里小提琴声音那么美妙? A: What did I tell you? 我告诉过你什么来着? B: You're right Yaoyao.This is a beautiful piece. 瑶瑶,你说的很对,这是一首美妙...
Why Barns Are Red 为什么谷仓是红色的? Ya?l: This was a great idea, Don. It's a beautiful day for a drive to the countryside. Don,这主意真的太棒了!今天超适合开着车到郊外兜风! Don: Yep! 赞成! Y: Hey, there's a...
Salt vs. Ice 食盐大战冰块 Y: Why does salt melt ice? 为什么食盐能让冰块融化? D: It lowers the melting and freezing point of water. 是因为食盐将水的熔点和冰点降低了。 Y: Oh,OK.Wait,I don't get it. Doesn't that mean...