Sometimes, says Scientific American's Stuart Firestein, the more facts one gathers as a scientist, the fewer questions one is able to answer. In fact, he says, "science to many people seems to be an impenetrable mountain of facts," and as research fields become narrower and more specialized, scientists tend to cope with this information overload by ignoring most of it. "You have to know a lot to be a scientist, but knowing a lot is not what makes a scientist," Firestein says.

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Polygamy amplified a rare genetic disease in area near Arizona-Utah border, BBC Future reports.

Genetic ancestry testing led one woman to learn that her father and another baby boy had been switched at birth, the Washington Post reports.

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In Science this week: approach to visualize chromatin structure in nuclei, and more.