http://www.dailymail.co.uk/sciencetech/article-3000904/Nanorobots-trial-begin-humans-Microscopic-DNA-devices-injected-leukaemia-patient-bid-destroy-abnormal-cells.html [quote] Tiny robots that can swim in the bloodstream and attack diseases may sound as if they belong in a sci-fi film. But these so-called nanorobots are set to be used to treat a person who is seriously ill with leukaemia. The lead researcher behind the innovation hopes the patient could be cured within a month - and has already successfully tested the machines in animals. [/quote]