Krista and Tatiana Hogan turning 4.5
May 26, 2011 9:42 AM Subscribe
Krista Hogan and Tatiana Hogan are craniopagus conjoined twins joined at the top, backs, and sides of their heads who are astonishing researchers single page (NYT) with their apparent extraordinary cognitive connection to each other. Since their parents decision not to separate them due to the extreme risks involved, researchers have hoped that they could teach us more about how the brain works, and now they are old enough to tell us about it.
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