Polar explorers retrace Captain Scott's ill-fated trek across the southern polar region and put an Ultrabook to the test, plus other tech news.

A former technical worker for the CIA is revealed as the source of a series of leaks about US phone and internet surveillance.

Richard Taylor speaks to the man responsible for the first part of the digital revolution about NGOs' use of technology.

The Technology, Entertainment and Design conference opens in Edinburgh this week with suitable off-the-wall technology.

Microsoft has announced the global launch date and price for its new Xbox One console at the start of the E3 games expo in Los Angeles.

Apple unveils a new look for its iOS smartphone and tablet operating system and iTunes Radio - a streaming music service - at its developers conference in San Francisco.