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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Under a proposed spending bill, the US National Institutes of Health would see an additional $3 billion in funding.

Researchers from the University of Oxford and the University of Sydney sequenced numerous platypus genomes to study their population history.

Robert Redfield, the new pick to lead the US Centers for Disease Control and Prevention, has faced criticism for some of his work.

In Nature this week: sequenced genomes of five additional Neanderthals, and more.