The rise of the eco-tourist has led to the Galápagos Islands being added to UNESCO's danger list, reports the New York Times. Between 1990 and 2006, the number of visitors to the archipelago rose 250 percent. The Galápagos now has 748 introduced plant species -- as compared to 500 native ones --  that the Darwin Foundation says could have "severe impacts [on] native biodiversity."

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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.

Simple de-identification methods can protect information in a database from attackers, a new study suggests.

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