Hi-tech is turning us all into time-wasters
Mobile phones and emails are triggering the 'distraction' part of the brain
Is brain training really the best way to boost your IQ?
Emine Saner: According to a new American study, computer-based brain training can improve IQ beyond becoming better at practised tasks
Virtually fit
Online gyms and 'exergames' such as Nintendo's Wii Fit, which is launched later this month, are flooding the fitness market. But how effective are they? We asked readers to give three of them a workout
Blogging can seriously damage your health
Peter Robinson: Stress, sleep disturbance and exhaustion are being reported among bloggers ... are they blogging themselves to death?
Around the world in 195 days, six hours – by bike
A Scottish man has become the fastest to cycle around the world, completing the trip in 195 days and six hours
Why are some moviegoers fleeing from Cloverfield?
The monster-trashes-New-York film, produced by Lost creator JJ Abrams, is causing motion sickness and migraine in some viewers
Evil genes and antifreeze: TV gurus’ toxic talk put under the microscope
The scientific claims of the celebrities who appear on television with advice on healthy lifestyles and avoiding toxins have been put under the microscope. By Alok Jha
Two wheels
Matt Seaton: The Nazis were the first to develop and promote separate cycle lanes. A historical precedent that should not be pressed too hard, perhaps. After all, the largely liberal Dutch have among the highest levels of cycle use in the world, much of it on dedicated paths
Face yoga video game to appeal to women
Nintendo, the Japanese computer games company, is preparing to launch Face Training - a game which offers to guide players through what it calls "facial yoga".
Wireless computer network risks to be investigated
· Government orders tests over two years· Health officials insist no need to suspend use