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The Audio Long Read

The ‘mad egghead’ who built a mouse utopia

26 min • 10 januari 2025
John Calhoun designed an apartment complex for mice to examine the effects of overcrowding. It was hailed as a groundbreaking study of social breakdown, but is largely forgotten. So what happened? By Lee Alan Dugatkin. Help support our independent journalism at theguardian.com/longreadpod
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