SCIENCEglobal
Bell-bottoms today, miniskirts tomorrow: Math reveals fashion's 20-year cycle
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Updated 2 hours ago
First seen March 18, 2026 07:17:28Stay on top of this story
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Quick Summary
Fashion insiders and beauty magazines have long cited the "20-year-rule"—the idea that clothing trends often resurface every two decades. According to Northwestern University scientists, that observation isn't just anecdotal. It's a mathematical reality.