This Week in Nature

In Nature Genetics this week, a team from the Chinese Academy of Fishery Sciences reports the genome sequence of the common carp, Cyprinus carpio, which is the world's most farmed species of fish. The researchers sequenced the genomes of 33 fish from four wild populations and six domestic strains. When comparing two common varieties, they found 894 differentially expressed genes, many of which are involved in scale development and pigmentation.

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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.