We know this sounds like the setting of a Dr. Seuss book, but way back in 1817, a pair of twins named Aaron and Moses Wilcox founded a city in Ohio together, and, of course, they called it Twinsburg. In 1976, 37 separate sets of twins showed up for the very first Twin Days Festival. And today, the weekend draws about 2,000 sets of twins and other multiples every year. But what makes this place a gold mine for scientific data?
Nature Versus Nurture
How Twins Advance Science
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