Bringing robotics into the surgical process has been a considerable motivation for researchers in recent years. A team from the John A. Paulson School of Engineering and Applied Science and the Wyss Institute for Biologically Inspired Engineering have trialed what is believed to be the first miniature robotic device for surgery to help remove cancerous growths in a patient in Paraguay. The device is incredible because rather than operating on the patient from the outside, the robots are actually doing their work from inside the patient. 

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Photo source: By Ap2296 (Picture I took) [GFDL ( or CC BY-SA 3.0 (], via Wikimedia Commons