In a paper published online in advance in Science this week, investigators at Japan's National Institutes of Natural Sciences show that, in Drosophila, Sex lethal — abbreviated Sxl — acts autonomously in primordial germ cells — or PGCs — to induce female development.

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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.