Rescue mission in the brain : Along with perhaps 300 other doctors in the United States, Dr. John Connors works on the uncharted borders of stroke therapy, putting novel devices and powerful drugs

This year, Houston is narrowly leading Los Angeles for the unwanted title of smog capital of the United States. It had 38 days in which smog levels exceeded federal standards. And last Monday,

Yemen said that an outbreak of Rift Valley Fever had killed 11 more people in recent days, bringing the official death toll from the mosquito-born disease to 52 in Yemen and neighboring Saudi

In a tight contest, Los Angeles has, for the moment, overtaken Houston for the dubious distinction of Smog Capital of U.S.A. Summer still has plenty of dirty days ahead to decide the issue but so far

The incidence of diabetes increased rapidly in the United States from 1990 to 1998, including a 76 percent rise in cases among people in their 30s, researchers reported, and they warned that the

The McDonald's restaurant chain is mounting a campaign to improve the way American egg farmers care for their hens - a move that reflects scientific and public concern over how farm animals are

In the battle to save Cambodia's tropical hardwood forests from destruction, it seemed like a case the conservationists could not lose. The government had what looked like ironclad evidence, gathered

Tens of thousands of people in southern and central China will spend the winter in tents or abandoned buildings because they have been unable to rebuild homes destroyed in summer floods, the Red

The World Trade Organization has handed the United States a key victory by rebuffing an EU challenge to a U.S. law that permits retaliation in trade disputes with other

The United States lacks a serious energy policy, one that promises over time to produce a reasonable match between presumably finite supplies and steadily rising demand. The failure to enact such a