52 Brain Facts Myth or Fact? Neurons can be genetically engineered to come in all colors of the rainbow. June 13, 2016June 30, 2017 knowingneurons 52 Brain Facts, Animal, Blue, Brain, Brainbow, connectome, Cool, Engineer, Engineering, Fact, Fluorescent, gene, genetic, Green, Image, Mice, Modification, Modified, Mouse, Rainbow, Red … Read more