In 1968, John Calhoun created the perfect home for eight mice. The colony grew to more than 2,200 before it slowly vanished

In 1968, John Calhoun created the perfect home for eight mice. The colony grew to more than 2,200 before it slowly vanished

Jul 16, 2026 5

In 1968, John Calhoun created the perfect home for eight mice. The colony grew to more than 2,200 before it slowly vanished
In 1968, John Calhoun created the perfect home for eight mice. The colony grew to more than 2,200 before it slowly vanished
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