Washington, July 17: Most people tend to diversify their choices more for future than for present consumption.

Washington, July 17: Scientists have combined the efforts of two kinds of bacteria which help make fuel cells that convert hydrogen into energy.

Washington, July 17: Presumptive Republican presidential nominee John McCain has already begun scoring points in the run-up to the November presidential poll.

Washington, July 17: When it comes to determin

Washington, July 17: A new study has found out that a surge of undersea volcanic activity about 93 million years ago sapped the oceans of oxygen, triggering a mass extinction of marine life.