This Week in Nature

In this week's Nature, a team led by University of Arizona researchers describes the arrival of HIV to New York City around 1970 and used a combination of historical data and genomic analyses to clear the name of a man previously identified as the source of the disease in North America.

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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.