This Week in PLOS

The processes of cattle domestication and breed formation have left signs of selective sweeps in the genomes of modern-day cattle, according to a PLOS Genetics study by researchers in Germany and the US. Using millions of SNPs found through re-sequencing of 43 animals from a German cattle breed called Fleckvieh, the team narrowed in on more than 100 regions suspected of being subject to past selection.

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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.