This Week in PNAS

Researchers in China report in PNAS this week their method for "constructing ultrahigh-density linkage maps composed of high-quality SNPs based on low-coverage sequences of recombinant inbred lines." The team's first step was to elucidate high-quality SNPs and perform a Bayesian inference in order to genotype the lines in the mapping populations using the SNPs, assisted by a hidden Markov model.

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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.