This Week in PLOS

A PLOS Neglected Tropical Diseases paper by investigators in Colombia relied on human genetic clues when considering the origin of leprosy in that country. Using three-dozen ancestry informative markers, the team tested samples from 118 leprosy-infected individuals and 116 leprosy-free controls from Colombia's Atlantic and Andean regions. It also did genotyping on the Mycobacterium leprae isolates involved in these infections.

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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.