We have previously covered Brainbow , a collection of one-of-a-kind, colorful images of the myriad connections in the brain and nervous system obtained through the use of unique color fluorescing proteins. Professors Jeff Lichtman and Josh Sanes, leaders of the Brainbow initiative, taught this author neurobiology at Harvard. I remember being amazed at the beautiful pictures of neuronal collections that gave life to a sometimes dull topic. Now, as reported in a May 5 paper in Nature Methods, the team behind Brainbow made a host of technical improvements in the imaging technique to yield more informative...