This Week in Science

In this week's Science, Harvard University's George Church and his colleagues "present genome engineering technologies that are capable of fundamentally reengineering genomes from the nucleotide to the megabase scale." Called multiplex automated genome engineering and conjugative assembly genome engineering, or MAGE and CAGE, Church et al.'s methods "treat the chromosome as both an editable and an evolvable template, permitting the exploration of vast genetic landscapes," they write.

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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.