A rendering of the possibilities of the Whole Brain Catalog (http://wholebraincatalog.org ), an open source, multi-scale virtual catalog of the mouse brain. Part of the Whole Brain Project (http://wholebrainproject.org ). Animated by Drew Berry (http://features.cgsociety.org/story_cus tom.php?story_id=3195 ) and generously funded by the Waitt Family Foundation (http://www.waittfoundation.org/ )