This Week in PNAS

The pygmy phenotype — an adaptation shared by multiple human populations living in different tropical rainforest environments — may stem from convergent changes involving multiple genes, according to a study in the early, online edition of the Proceedings of the National Academy of Sciences.

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

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

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.