This Week in Nature

In Nature this week, a team from Wageningen University reports on the identification of a gene that regulates the initiation of tuber development and plant maturity in potatoes. The plant originated in the Andes and evolved short day-dependent tuber formation as a propagation strategy. In more northern latitudes such as the US and Europe, potatoes needed to adapt to being grown in long-day conditions.

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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.