Buckminster Fuller and His Geodesic Dome 巴克敏斯特福乐和他的球型屋顶 Ever heard of a man named Buckminster Fuller, or Bucky, as his friends called him? R. Buckminster Fuller was a twentieth century scientist, philosopher, inventor, and...
Silk 蚕丝 Silk is the strongest natural fiber in the world, as far as we know. Scientists long to understand just how exactly the silkworm manages the process of silk weaving, so they can replicate the process in order to manufacture such things as...
E. T. Phoned. Now What? 外星人来电 Suppose one day scientists pick up a transmission they think is generated by aliens. Now what? Do we build a landing strip and break out the welcome wagon? 假如有一天，科学家收到到外星人发来的信...
Snoring and Cognition 鼾声和认知能力 Snoring can be pretty disturbing to people who sleep in the company of snorers, as well as to the snorer himself or herself, though she may not realize it. For instance, some snorers have a condition called...
Osteoporosis 骨质疏松症 Todays word is: osteoporosis! 今天的词是：骨质疏松症！ Yep, osteoporosis. Now, youve heard this word before, and you know it has something to do with bones. But can you actually explain what it is? 是的，骨质...
Dehydration 脱水 If I were to stop drinking water right now, how long could I live? 如果从现在开始停止喝水，能活多久呢？ There are different factors involved here. A human being isnt an automobile which needs a certain amount of g...
Why Dogs Bark? 犬吠为何？ Have you ever wondered why do dogs bark? 你可曾想过犬缘何而吠呢？ In terms of evolution, there has to be a reason for barking, or it probably wouldnt be there. Is it to warn of predators? But dogs bark when...
DNA Wrath of Khan 成吉思汗疯狂的基因 Today, Afghanistan is a war-torn region, battled over by military forces and world-spanning empires. Eight hundred years ago things were much the same. Only then, there was only one ruler: Genghis Khan. 军...
Adolescent Addictions 青少年吸毒问题 What makes adolescents so vulnerable to developing addictions to substances like nicotine, alcohol, and drugs? Teens, in particular, seem more vulnerable than any other age group. Is it a result of peer pre...
Ultraviolet Fish 带紫外线的鱼儿 So you want to attract a mate. After all, passing on your genes is what evolution is all about. To do that you need offspring, and to get a lot of those you need to be attractive. The flashier the better. Hey, l...
