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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The New York Times and ProPublica look into the close relationship between a startup and Memorial Sloan Kettering Cancer Center.

Yahoo News reports millions of dollars are being transferred from NIH, CDC, and other programs to pay for the housing of detained undocumented immigrant children.

In Science this week: in vitro generation of human reproductive cells, and more.

Researchers gave a handful of octopuses MDMA to find that they too act more social on the drug, Gizmodo reports.