The Origin of Sports When did sport begin? If sport is, in essence, play, the claim might be made that sport is much older than humankind, for, as we all have observed, the beasts play. Dogs and cats wrestle and play ball games.Fishes and birds dance...
冰箱的由来 直到 19 世纪中期，冰箱这个名词才进入了美国语言，但冰仅仅只是开始影响美国普通市民的饮食。 冰的买卖随着城市的发展而发展。 冰被用在旅馆、酒馆、医院以及被一些有眼光...
The Organic Foods Are organically grown foods the best food choices? The advantages claimed for such foods over conventionally grown and marketed food products are now being debated. Advocates of organic foods -- a term whose meaning varies greatly -...
The Nobel Academy For the last 82 years, Sweden's Nobel Academy has decided who will receive the Nobel Prize in Literature, thereby determining who will be elevated from the great and the near great to the immortal. But today the Academy is coming un...
The Microscopic Technique Each advance in microscopic technique has provided scientists with new perspectives on the function of living organisms and the nature of matter itself. The invention of the visible light microscope late in the sixteenth cen...
The Language of Music A painter hangs his or her finished pictures on a wall, and everyone can see it. A composer writes a work, but no one can hear it until it is performed. Professional singers and players have great responsibilities, for the compo...
The History of Chemistry Chemistry did not emerge as a science until after the scientific revolution in the seventeenth century and then only rather slowly and laboriously. But chemical knowdedge is as old as history, being almost entirely concerned...
The Historical Significance of American Revolution The ways of history are so intricate and the motivations of human actions so complex that it is always hazardous to attempt to represent events covering a number of years, a multiplicity of persons,...
The Revolution in American Higher Education To produce the upheaval in the United States that changed and modernized the domain of higher education from the mid 1860's to the mid 1880's, three primary causes interacted. The emergence of a half dozen...
Women in Colonial North America The status of women in colonial North America has been well studied and described and can be briefly summarized. Throughout the colonial period there was a marked shortage of women, which varied with the regions and wa...
The Beginning of Drama There are many theories about the beginning of drama in ancient Greece. The one most widely accepted today is based on the assumption that drama evolved from ritual. The argument for this view goes as follows. In the beginning,...
The American Civil War The military aspect of the United States Civil War has always attracted the most attention from scholars. The roar of gunfire, the massed movements of uniformed men, the shrill o f bugles, and the drama of hand to hand combat h...
The Alaska Pipeline The Alaska pipeline starts at the frozen edge of the Arctic ocean. It stretches southward across the largest and northernmost state in the United States,ending at a remote ice free seaport village nearly 800 miles from where it be...
Television Television -- the most pervasive and persuasive of modern technologies,marked by rapid change and growth --is moving into a new era,an era of extraordinary sophistication and versatility, which promises to reshape our lives and our world....
Telecommuting Telecommuting -- substituting the computer for the trip to the job--has been hailed as a solution to all kinds of problems related to office work. For workers it promises freedom from the office, less time wasted in traffic, and help wi...
