This Week in Science

In Science this week, a group led by Georg-August University Gottingen researchers report on new details about how long strands of DNA stay tightly bundled in replicating cells. Previous studies have shown that chromosomes' ability to condense during metaphase is related to activity at the tails of histones. The new findings show that during early mitosis, phosphorylation of a major histone protein recruits the chromosome passenger complex, which helps regulate the process.

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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.