What Is Money and What Are Its Functions? 金钱及金钱的功用是什么？ Money is something you've been familiar with throughout your life. In fact, you may already consider yourself an expert o...
Why We Walk in Circles 为什么我们会走成两个大圆圈 "Pin the Tail on the Donkey" is always fun when you're watching rather than pinning. It is somewhat surprising to see how the blindfolded...
How TV violence Affects Kids 电视中的暴力内容是怎样影响孩子们的 For more than a quarter of a century, evidence has been increasing that children's exposure to violence on television h...
Why Don't Girls Think Like Boys? Do you believe that only boys do well in science? Does it seem to you that girls have better vocabularies than boys? In your opinion, are boys better at building thing...
Heart Disease: Treat or Prevent? One of the greatest killers in the Western world is heart disease. The death rate from the disease has been increasing at an alarming speed for the past thirty years....
Dieting Your Way to Health Almost everyone considers going on a diet sometime in his or her life. All, regardless of sex and age, have something in common - losing weight and losing it fast. Though th...
Panic and Its Effects One afternoon while she was preparing dinner in her kitchen, Anne Peters, a 32-year-old American housewife, suddenly had severe pains in her chest accompanied by shortness of bre...
Sleepwalking - Fact or Fancy? There is an endless supply of stories about sleepwalkers. Persons have been said to climb on roofs, solve mathematical problems, compose music, walk through windows, and...
Why Are Maps Drawn with North at the Top? Now it is hard to visualize a map that does not feature north at the top, but this was not always so. The oldest known map in the accepted sense of the word w...
You Have a Choice Two trains are traveling side by side and at the same speed along parallel tracks. We are seated in one of the trains, and with us we have a special speedometer that measures their r...
Animals at Risk: Who Cares? An animal species becomes extinct when it fails to produce enough young is each generation to keep pace with the death-rate. We can tell from fossil evidence in rocks that...
The Killer Smogs On the night of December 1, 1930, a dense fog moved over the Meuse Valley, in Belgium. Many factories in the valley poured smoke and fumes into the foggy air. This created a dark smog...
You Can't Do It Because It Hurts Nobody Who do you think breaks the law in our society? If you believe that only tough guys commit crimes, you may have to think again. Answer the following questions h...
Marriage in Iran and America: A Study in Contrasts Though marriage is practiced in almost all countries of the world, the customs are quite different from one culture to another. It is interesting for...
The Language of Uncertainty Uncertainty spreads through our lives so thoroughly that it dominates our language. Our everyday speech is made up in large part of words like probably, many, soon, great,...
