Are we not, like Anthony Weiner, caught in a web of desire?

Daniel Denvir: The hypocrisy over the New York congressman's shame is epic: the reality of online sexual liaison is that almost everyone's at it

Dr Luisa Dillner’s guide to . . . the health risks of video games

Are computer games turning your children into overweight social misfits?

Morgellons: A hidden epidemic or mass hysteria?

It's a mysterious condition that affects tens of thousands worldwide. But what is it? Will Storr investigates

Surgeons to perform first UK face and hand transplant

Patients being assessed for radical double procedure as NHS watchdog warns more evidence of risks is needed

Sick note: Faking illness online

Why would someone fake a serious illness online? Jenny Kleeman on the strange world of Münchausen by internet

Mobile phone use increases brain activity, study suggests

Taking a call on a mobile phone seems to boost activity in parts of brain closest to the device, but there's no evidence of harm

George MacKerron: ‘I can measure how happy you are – and why’

George MacKerron is the inventor of Mappiness, an iPhone app that collates information from thousands of people to find out when, where and why we are at our happiest. Interview by Elizabeth Heathcote

Hidden the workings out? You might as well be a Raelian

Ben Goldacre: Sibling statistics, software secrecy and study shortcuts all show why scientific authority derives from transparency

This column will change your life: With friends like these…

We all know not to judge a book by its cover, so why do we take people we 'meet' on social networking sites at face value, wonders Oliver Burkeman