Next month, a V-shaped airship bigger than a baseball diamond is due to rise from the West Texas desert to an altitude of 100,000 feet (30.5 kilometers), navigate by remote control, linger above the clouds and drift back to earth.

In this report, they examine the possibilities of producing biodiesel on the scale necessary to replace all petroleum transportation fuels in the U.S.

A baby has been born using sperm frozen for 21 years - a world record, say UK researchers. The healthy boy was born to a father who had his sperm frozen in 1979 before he was treated for testicular cancer at the age of 17.

Ireland is hoping to start a US brain drain that leads straight to the Emerald Isle.

The Interactive Advertising Bureau and PricewaterhouseCoopers on Monday reported that Internet advertising in the first quarter of the year reached its highest level since the companies began their tracking in 1996. Revenues reached about $2.3 billion, up 38.9 percent compared with the same quarter a year earlier.

Ideas are constantly bouncing off the walls of The DaVinci Institute, a futurist think tank based here that caters to the frontiers of imagination.

Online retailers collectively made a profit last year for the first time as sales jumped a better-than-expected 51 percent, in a sign of continued resilience in e-commerce, an industry survey found.