This Week in Science

In an advance, online publication of Science this week, two reports highlight the role of miR-33 in human cholesterol homeostasis. Katey Rayner and her colleagues at the New York University School of Medicine show that miR-33 "modulates the expression of genes involved in cellular cholesterol transport," adding that silencing miR-33 in vivo increases plasma HDL levels. "miR-33 appears to regulate HDL biogenesis in the liver and cellular cholesterol efflux," Rayner et al. conclude.

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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.