The New York Times has an update on the laboratory technician charged with the murder of Annie Le, the Yale graduate student killed in September. According to police, Raymond Clark III allegedly "tried to conceal blood-splattered tissues from university detectives." Police affidavits were released today, revealing that "investigators who went through the lab building discovered a sock with two batches of DNA — his and hers — with her body.

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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.