TechnologyDesk traffic lights show when you're too busy for interruptions The FlowLight system tracks how busy workers are on their computers – and warns off colleagues if you are not to be disturbed 51¶¯Âþ
HumansWe dream loads more than we thought – and forget most of it The brain area that controls dreaming has been discovered. Studying its activity has revealed that even in non-REM sleep, we dream 71 per cent of the time 51¶¯Âþ