The concept of using microscopic man-made devices for everything from cancer treatment to dislodging blood clots and treating heart disease has been around for quite some time, but only recently have doctors and scientists worldwide begun working to make the leap from scientific theory to practical reality.

Researchers from the Information Technologies, Mechanics and Optics University (ITMO) in St. Petersburg, Russia have developed a new cancer-fighting tool using tiny biological nanorobots created from DNA fragments capable of searching out and destroying some types of cancer cells.



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