They have made an advancement in Nano-machine technology.
This article reads like the beginning of a sci-fi horror.
http://news.bbc.co.uk/2/hi/science/nature/7288426.stm It seemed brilliant at first, just inject a few nano-machines into the patient and they would remove the cancerous tumor, but now...(insert zombie/robot control story here).
Man, dreams are coming true and I love it