This Week in Nature

In this week's Nature, a Harvard University-led team reports the identification of genomic regions affecting parental care in two mouse species, as well as a role for the hormone vasopressin in one specific care behavior. The researchers focused on two closely related species of mice — the promiscuous deer mouse and the monogamous old-field mouse — and show that they each have significant heritable differences in parental behavior.

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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.