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This Week in PNAS

In the Proceedings of the National Academy of Sciences this week, scientists at Rockefeller University studied how stress affects histone marks in the hippocampus in mice. Previous work has associated histone H3 methylation at lysines 4, 9, and 27 with transcription, heterochromatin formation, and lowered transcription, respectively.

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Researchers representing scientists and students of Chinese descent voice their concerns about recent US policies and rhetoric.

Wired reports that researchers have shown they could reprogram a DNA-based computer.

Researchers say increased diversity in genomic studies will benefit all, PBS NewsHour reports.

In Science this week: whole-genome sequencing of single sperm cells, and more.