Throughout history, generations watched as the younger generation took the helm. With each transition of power, the older generation has often disapproved of the behavior and decisions of the younger. This was particularly evident in the early 20th century. Events like the roaring '20s, the world wars, and the great depression left people wondering if the world was ending. Some in that era believed that the overpopulation of the cities of the earth was leading to negative changes in human behavior and morality. Researcher John Calhoun set out to discover if the behavioral sink was a reality. For some, Calhoun proved the phenomena. For others, he only showed the importance of accountability structures in the world. The story of the mouse utopia experiments might just make you lose hope in humanity or maybe make you more hopeful.

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