TechnologyTiny nanoelectrodes record brain's activity without damaging it Electrodes help treat epilepsy and Parkinson's disease, but can damage the brain and slowly stop working. Nanotube electrodes are safer and should last longer ¿ìè¶ÌÊÓÆµ
HealthFixed by light: Flick a switch to banish pain and blindness Parkinson's, blindness, chronic pain and more could all be cured using optogenetics – a revolutionary therapy that has just begun its first trial in humans Features