This Week in PLoS

University of California, Berkeley scientist Mark Dayel is first author on work that used computer simulation to study actin in eukaryotic cells. To understand how cells move, he and his team created an Accumulative Particle-Spring model that builds on a previous model. "The APS model explains observed transitions between smooth and pulsatile motion as well as subtle variations in network architecture caused by differences in geometry and conditions," says the abstract.

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Technology Review reports that 2017 was the year of consumer genetic testing and that it could spur new analysis companies.

A phylogenetic analysis indicates two venomous Australian spiders are more closely related than thought, the International Business Times reports.

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.