Peter L. Falkingham and his colleagues at Manchester University are developing techniques that look set to revolutionize our...

The most difficult aspect of money to understand is its function as a unit of account. In linear measurement we find the...

In the deserts, as elsewhere, rocks at the earth's surface are changed by weathering, which may be defined as the...

The first zoo in the United States opened in Philadelphia in 1874, followed by the Cincinnati Zoo the next year. By 1940...

Such is our dependence on fossil fuels, and such is the volume of carbon dioxide we have already released into the...

The circulation of air in the atmosphere is activated by convection, the transference of heat resulting from the fact that...

(A) After 36 days of battling sharks that kept biting their equipment, scientists have returned from the remote Pacific...

A In the late 1990s, psychologist Martin Seligman of the University of Pennsylvania urged colleagues to observe optimal...

In a show-business career that spanned over seventy years, Groucho Marx successfully conquered every entertainment medium,...

Fascination is universal for what Aaron Spelling, a prolific producer of American soap operas, once called “rich people...

A. Luke Howard had been speaking for nearly an hour, during which time his audience had found itself in a state of gradually...

A. Carl Sagan once said, 'Science loses ground to pseudo-science because the latter seems to offer more comfort. Yes, hard...