This Week in Science

In Science Translational Medicine this week, US and German researchers publish data showing how neutrophils use a microRNA to protect against harmful lung inflammation. The work suggests that upregulating this miRNA — miR-223 — may be an effective strategy for treating acute respiratory distress syndrome. The scientists found that mice infected with methicillin-resistant Staphylococcus aureus could be protected against severe lung inflammation when treated with miR-233.

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Technology Review reports that 2017 was the year of consumer genetic testing and that it could spur new analysis companies.

A phylogenetic analysis indicates two venomous Australian spiders are more closely related than thought, the International Business Times reports.

In Science this week: CRISPR-based approach for recording cellular events, and more.

A new company says it will analyze customers' genes to find them a suitable date, though Smithsonian magazine says the science behind it might be shaky.