This Week in Science

In a paper published online in advance in Science this week, Miyuki Sato and Ken Sato at Gunma University in Japan show that fertilization-triggered autophagy is "required for the elimination of paternal mitochondria in Caenorhabditis elegans." Sato and Sato show that, consequently, such autophagy is also responsible for "maternal inheritance of mitochondrial DNA" in the roundworm.

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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.