This Week in Nature

In Nature this week, a team of researchers from across the US present a comprehensive analysis of the genome-wide chromatin landscape of Drosophila melanogaster, based on 18 histone modifications and summarized by nine prevalent combinatorial patterns. Active genes display distinct chromatin signatures that are correlated with "disparate gene lengths, exon patterns, regulatory functions and genomic contexts," the authors 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.