This Week in PNAS

In work appearing this week in PNAS, Stanford University's Jerrod Schwartz and Stephen Quake show that they can use single molecule measurements to find the "speed limit" of DNA polymerase. By observing both the burst synthesis rate and pausing events, they found that for E.

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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.