Humans have experimented for centuries with technologies that boost our performance or supplant deficiencies that prevent us from leading complete lives. Now, latest advances are enabling the emergence of what some consider a new species: cyborgs that use their special abilities to express themselves and their world views in totally new ways. Neil Harbisson, a color-blind artist whose implanted UV-sensitive antenna that allows him to hear colors, is my guest in episode of The World´s Greatest Challenge.