The computer virus is an outcome of the computer overgrowth in the 1980s．The cause of the term "computer virus" is the likeness between the biological virus and the evil program infected w [更多...]

Get Smart 　　Many people dream of having a smarter brain. Princeton neurobiologist Joseph Z. Tsien found the key. In September he announced that he’d built a better mouse by altering a gene that [更多...]

The Wonderful Structure of a Microcomputer In Chinese, a computer is popularly known as an " electrical brain", for the working process of a computer is similar to a human brain very much. Just [更多...]

The history of life on earth has been a history of interaction between living things and their surroundings. To a large extent, the physical form and the habits of the earth’s vegetation and its [更多...]

　　Sugarless yoghurt could help beat bad breath, tooth decay and gum disease, say scientists. 　　Japanese researchers found eating the yoghurt reduced levels of hydrogen sulphide - a major cause [更多...]

ALL ABOUT YOUR HAIR ● A human hair consists mainly of a protein called Keratin. It also contains some moisture and the trace metals and minerals found in the rest of the body. 人类的头发主要由一 [更多...]

Artists seek the beauty of nature, while scientists explore its mystery. But faith can have fashions, and more and more people seek life beauty and mystery within the cement forests of urban socie [更多...]

The North Pole 　　The sun is always overhead from Spring to Autumn regardless of the hour of day or night, for the sun only rises once each year and sets once a year here at the Pole. All lines o [更多...]

吴哥是柬埔寨的古都和游览胜地，位于洞里萨湖北面，距暹粒市6公里。公元9～15世纪为高棉王国都城。最早始建于8世纪，13世纪建成，占地15平方公里。吴哥古迹主要包括大、小吴哥两地的通王城和吴哥窟；各种建筑约6 [更多...]

A Howard Hughes Medical Institute (HHMI) professor and 138 of his undergraduates have co-authored a paper that provides the first genome-wide estimate of vital genes that are also essential for ey [更多...]

　　　Internet May Cause Depression 　　Internet use appears to cause a decline in psychological well-being, according to research at Carnegie Mellon University. 　　Even people who spent jus [更多...]

Laughter is Good for the Heart 　　Laughter is good for the heart because it prolongs life while depression increases the risk of an early death, according to two new studies. 　　A good bout [更多...]

Children who drink more milk do not necessarily develop healthier bones, researchers said on Monday in a report that stresses exercise and modest consumption of calcium-rich foods such as tofu and [更多...]

Los Alamos National Laboratory scientists are using a new technique to see fingerprints on surfaces that typically make them invisible. The technology focuses a tight beam of X-rays on surfaces wi [更多...]

Life on-line can be a much richer experience when you aren’t restricted to just written words and still pictures. Even if you’re new to the Net, you’ve probably heard aobut multimedia on-line-- [更多...]