The interactive desktop has numerous objects Web visitors can click - a telephone, a campaign button, a secret recording button - and get video, audio and text from JFK's era, she said.

The site will let you watch the Apollo 11 mission recreated in real time on the Web, follow Twitter feeds of transmissions between Mission Control and the spacecraft, and even get an e-mail alert when the lunar module touches down.

Some of the nation's busiest airports, including Seattle-Tacoma International, will soon begin testing experimental radar systems designed to track flocks of birds and help pilots avoid the type of collision believed to have crippled a US Airways...

In just six years, Wikipedia has mushroomed into one of the Web's most astonishing successes, with 1.7 million articles in English alone. The downside is that the free encyclopedia has its share of errors and juvenile vandalism, and sometimes the...