Dr. Wise Young has never met the hundreds of thousands of people he has helped in the past 10 years， and most of them have never heard of Wise Young. If they did meet him， however， they’d want to shak...
Valeta Young， 81， a retiree from Lodi， Calif.， suffers from congestive heart failure and requires almost constant monitoring. But she doesn’t have to drive anywhere to get it. Twice a day she steps on...
The once radical notion that birds descended from dinosaurs——or may even be dinosaurs， the only living branch of the family that ruled the earth eons ago——has got stronger and stronger since paleontol...
Plowing through the New York Times on a recent Sunday， I read in the Metro Section that infertile couples in the market for smart-kid genes regularly place advertisements in the newspapers of their ow...
As you read this， nearly 80，000 Americans are waiting for a new heart， kidney or some other organ that could save their life. Tragically， about 6，000 of them will die this year——nearly twice as many p...
It has long been known that the rate of oxidative metabolism (the process that uses oxygen to convert food into energy) in any animal has a profound effect on its living patterns. The high metabolic r...
Scientists have known since 1952 that DNA is the basic stuff of heredity. They’ve known its chemical structure since 1953. They know that human DNA acts like a biological computer program some 3 billi...
经济学史Economics, as we know it, is the social science concerned with the production, distribution, exchange, and consumption of goods and services. Economists focus on the way in which individuals, grou...
一位科幻小说作家There is no question that science-fiction writers have become more ambitious, stylistically and thematically, in recent years. (46) But this may have less to do with the luring call of academi...
社会保障The value which society places on work has traditionally been closely associated with the value of individualism and as a result it has had negative effects on the development of social security. ...