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Why does fashion repeat in 20-year cycles? Math has the answer artwork
Science & Medicine

Why does fashion repeat in 20-year cycles? Math has the answer

Science Friday by Science Friday and WNYC Studios

May 19, 202600:15:17Science & Medicine

A mathematician analyzed 150 years of women’s fashion to understand 20-year trend cycles, and how “optimal distinctiveness” drives change.

About This Episode

Why does fashion repeat in 20-year cycles? Math has the answer is an episode from Science Friday by Science Friday and WNYC Studios. A mathematician analyzed 150 years of women’s fashion to understand 20-year trend cycles, and how “optimal...

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Episode Details

Published May 19, 2026, 00:15:17 long, audio available.