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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A new analysis examines the gender gap among paper authors in the sciences and says it may take decades or more to close.

Researchers have uncovered signals of selection that may enable the Bajau people to free five hundreds of feet deep, Reuters reports.

In Science this week: paternally inherited cis-regulatory structural variants in autism, and more.

A new report outlines issues facing the implementation of personalized medicine in the UK, the Independent reports.