In the 1970s, behavioral researcher John B. Calhoun created what looked like paradise—for mice. Calhoun’s Experiment: A Perfect World on PaperCalhoun’s experiment, funded by the National Institute of Mental Health, took place in a lab environment with strict controls. Behavioral changes followed: mice formed social clusters, and those who couldn’t secure a place in these groups became isolated. He believed the experiment might be a warning for human societies growing more urbanized and disconnected. Rather than a warning about abundance, Universe 25 becomes a warning about resource distribution and the effects of unbalanced social systems.