No link to child cancer from phone masts, finds study Imperial College London researchers dismiss connection between living near mobile phone masts while pregnant and increased risk of cancer among children
Is the web affecting the way our brains work? It’s a thought Observer editorial: The internet may be changing the way we think. Perhaps we'll have to learn again how to concentrate
Chinese workers link sickness to n-hexane and Apple iPhone screens Staff suffer health decline after supplier's use of toxic chemical to clean western gadgets
The player: are games good for us? Academic Jane McGonigal says gaming makes people solution-focused, collaborative, optimistic and hard-working
Snow: frequently asked questions The roads are covered in ice, your kids are driving you mad, and the cupboards are bare – what to do?
Are videogames bad for your health? The first clinic to treat videogame addiction has opened in the UK. But how dangerous is it to spend hours in front of a console?
Zip it, block it, flag it: code for online safety Children from five will be taught how to steer clear of bullies and paedophiles online
Beware the iPod zombie cyclist Edmund King: Plugged in to MP3 players, this new breed among urban cyclists is not just a nuisance, but a menace – mainly to themselves