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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 Washington Post reports on researchers' efforts to determine the effect of an increasingly common SARS-CoV-2 mutation.

Florida Politics reports Florida's law barring life, long-term care, and disability insurers from using genetic information in coverage decisions went into effect at the beginning of July.

A new analysis finds a link between popular media coverage of a scientific study and how often that paper is cited.

In Nature this week: CRISPR approaches to editing plant genomes, way to speed up DNA-PAINT, and more.