This Week in PNAS

In the early, online edition of the Proceedings of the National Academy of Sciences, an American team took a transcriptome sequencing-based look at gene expression shifts that occur in the maize endosperm as that storage organ transits through the development process.

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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.