Sending miniature robots deep inside the human skull to treat brain disorders has long been the stuff of science fiction, but it could soon become reality, according to California start-up Bionaut Labs which plans its first clinical trials on humans in just two years. The AFP news agency reports that the company plans to use magnetic energy to propel its tiny injectable robots rather than optical or ultrasonic techniques because it does not harm the human body. To read more about the technology and the promise its developers claim it has visit the News Blog page on the Future Media website.