The sun is not growing weaker， yet its light appears to be dimming. Between 1960 and 1990， some scientists believe， the amount of solar radiation reaching Earth’s surface may have declined as much as ...
Half the game is 90 percent mental，“ Yogi Berra once said， or something like that， and science is now getting around to putting his aphorism to the test. Researchers including Debbie Crews of Arizona ...
At the close of the Kyoto Global-Warming Treaty discussions held in Bonn last week， exhausted negotiators from nearly every country on earth had reason to be proud. They had done what no one expected—...
Half the game is 90 percent mental，“ Yogi Berra once said， or something like that， and science is now getting around to putting his aphorism to the test. Researchers including Debbie Crews of Arizona ...
Pennsylvania‘s colonial ironmasters forged iron and a revolution that had both industrial and political I implications.The colonists in North America wanted the right to the profits gained from their ...
Europe is often one of the first places people think of when racism is discussed. From the institutionalized racism， especially in colonial times， when racial beliefs—even eugenics—were not considered...
We now must address two questions： Firstly，where on Earth is the population problem the worst? It is my opinion that the world‘s worst population problem is right here in the United States. This is be...
Al Hussein is 19. He is struggling to stay seated on top of a huge truck crossing the desert. He has been riding like that for hours， breathing dust， in an unbearable heat. He has left his home， his t...
Various accounts have traced the “Big Apple” expression to Depression-Era sidewalk apple vendors， a Harlem night club and a popular 1930s dance known as the “Big Apple.” One fanciful version even link...
To date， over 1 billion Barbie dolls have been sold. The average American girl aged between three and 11 owns a staggering ten Barbie dolls， according to Mattel， the American toy giant. An Italian or ...