Computer maker Dell confirms it is partnering with Baidu, China's top search engine, on mobile devices.

Up to 300,000 Iranians may have had their Google e-mail monitored using security certificates stolen from DigiNotar.

A group of scientists and engineers is working on an ambitious project to revive a unique UK satellite - still in orbit after almost 40 years.

The public can get MPs to discuss an item if they can collect 100,000 electronic names on a petition on a Downing Street website, with two subjects so far hitting the trigger.