文章列表

• 1.为什么夜晚飞机降落时要调暗机舱里的灯？
• 不知您坐飞机的时候注意过没有，如果飞机是在夜晚降落，在降落的时候，机舱的灯光都会调暗。这是基于什么原理呢？看了下面的解释您就会明白了。 When you fly, y...
• 2.雪为什么是白色的
• 又到冬天了，漫天飞舞的雪花总能给人带来无限的遐思。在欣赏这美妙雪景的同时,不知您有没有想过: 雪为什么是白色的? 如果雪变成了红色或是绿色,还能给您同样的遐...
• 3.为什么血管看起来是蓝色的？
• 不知您注意过没有，我们胳膊上、腿上的血管看起来都不是红色的，而是呈现出近似于青色、蓝色的颜色。这又是什么原因呢？原来，都是波长惹的祸。 Surprisingly, t...
• 4.研究：漱口水恐致口腔癌Mouthwash 'causes oral cancer' and should be pulled from s
• The ethanol in mouthwash is thought to allow cancer-causing substances to permeate the lining of the mouth more easily and cause harm. Mouthwashes can...
• 5.研究：多参加社交有助于预防老年痴呆Go to a party to cut dementia risk, study sugg
• Keeping a full social calendar may help protect you from dementia, researchers said on Monday. Socially active people who were not easily stressed had...
• 6.研究：无名指长更适合从事股票交易Finger length may predict financial success
• The length of a man's ring finger may predict his success as a financial trader. Researchers at the University of Cambridge in England report that men...
• 7.处理旧电脑？切记销毁硬盘Discarding old computer? Smash it
• A computer screen displaying an error message is seen at an internet cafe in Cairo December 20, 2008. If you're planning on getting rid of an old comp...
• 8.8种最常见科学流行说法和误解(2)
• A penny dropped from the top of a tall building could kill a pedestrian. 高处落下的一分硬币可致人死亡 A penny isn't the most aerodynamic of weapons. A...
• 9.8种最常见科学流行说法和误解(1)
• 我们的生活中总是存在着一些非常流行的科学理论或说法。实际上，在这些理论当中，有的确实如此，有的却是人们的错误理解。日前，美国生活科学网就对这些问题进行...
• 10.生男生女取决于父亲基因Fathering sons, daughters may be in man's genes
• A UK researcher has a new explanation for how the human race manages to keep a fairly even balance of males and females, despite massive deaths of you...