The distinctive swimming technique of the bluegill sunfish is used to develop agile submarines.

Free versions of Microsoft's Works package of programs will be available soon, says the software firm.

John Lennon's solo works are made available to download on iTunes for the first time after a deal with Yoko Ono.

Technicians and engineers from Telecoms Sans Frontieres arrive in Peru to help the earthquake recovery effort.

Regular columnist Bill Thompson says our trust should only be given to technology when it is merited.

Web and phone voting pilots should halt until elections are modernised, the Electoral Commission says.

Webmail and social network users are warned about loopholes that let attackers hijack accounts via wi-fi.

Nasa prepares to launch a spacecraft to Mars, where it will search for signs of past or present life.

US agencies get wider access to spy satellites to boost national security and disaster response, officials say.

A former owner of Russia's cut-price downloads website Allofmp3.com is acquitted of music piracy.