TechnologyThis mind-reading hearing aid knows who you're listening to An ear mounted device with a battery of brain-scanning electrodes knows which sounds you're paying attention to – it might also help you get a good night's sleep 51¶¯Âþ
HealthHow medicine got too good for its own goodWe’re detecting problems too early and convincing healthy people they’re sick – it’s time to rethink medical diagnosis, says physician H. Gilbert WelchFeatures