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Twins Days Festival Cuts Twin Study Time to 18 Months

8/20/2026

30 5 Full Breakdown

Summary

Story summary

Researchers collect a day-and-a-half of twin data at the Twins Days Festival that would otherwise require about three years.
The festival, started in 1976 with 36 twin sets, now draws roughly 2,000 sets annually.
FBI and beauty brands have used festival participants to study skin aging, burnout, and facial-recognition technology.

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Story summary

Researchers collect a day-and-a-half of twin data at the Twins Days Festival that would otherwise require about three years.
The festival, started in 1976 with 36 twin sets, now draws roughly 2,000 sets annually.
FBI and beauty brands have used festival participants to study skin aging, burnout, and facial-recognition technology.