Science and Techonology

Netflix responds to the innovator's dilemma, video-gamers solve a thorny scientific puzzle and Google launches a mobile payment service

Linux celebrates its 20th anniversary, Amazon looks to the tablet market and Google gets caught in a scandal over pharmaceuticals

El Nino, a worldwide fluctuation in the climate, may provoke civil war as well as inclement weather

A trio of surprising announcements at HP, IBM's new brain-like chip, and Skype gets into group messaging

Google buys Motorola Mobility, social networks face shutdowns and a new biography of Steve Jobs attracts speculation

The possible closure of the IPO window, the long-awaited demise of Minitel in France and the disappointing performance of Nintendo's 3DS

Ever more growth in the use of natural gas is welcome for many reasons. But it is not a cure for global warming

Foxconn, China's largest private employer, builds a robotic workforce, the Shady RAT hack attack and the perils of putting your picture online

Mozilla unveils a new operating system for mobile devices, Microsoft shows strong quarterly results and Air BnB raises over $100 million

Patent wars at HTC and Apple, Intel's second quarter results and the online music business gets a new DJ

In this week's programme: the rapid rise of Google+, potential job losses at Cisco and the imminent launch of Apple's OSX Lion

Microsoft strikes a deal with China's largest search engine, Sheryl Sandberg is Facebook's rising star and Zynga plans for an IPO

Inner space is useful. Outer space is history

The Federal Trade Commission investigates Google, Microsoft introduces new cloud-based applications and Foursquare is valued at $600m

Urban brains behave differently from rural ones

The internet gets new domain names, RIM, the maker of the Blackberry, goes into a tailspin and a fake blogger causes a stir

Several lines of evidence suggest that the sun is about to go quiet

Facebook may be losing steam, Samsung could eclipse Nokia in the smart-phone market and hackers stage a series of cyber attacks

IBM turns 100, Groupon prepares to launch its IPO despite hefty losses and video game manufacturers unveil their latest products

Thirty years after its discovery, our correspondents discuss whether AIDS can now be beaten