Thomson Reuters, the firm behind the impact factor, says it is going to be more transparent about how it ranks scientific journals, Nature News reports.

While the company developed the impact factor to help librarians sort through the various scientific journals to determine which ones to subscribe to, it has become a metric by which not only journals, but also the researchers who publish in those journals are measured.

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Direct-to-consumer genetic testing companies have offered to test families separated at the southern US border, but that raises ethical issues.

CNBC reports that confirming a positive result from 23andMe's BRCA health report can be expensive.

The New York Times reports on a project to develop a tree DNA database to uncover illegal logging.

In PLOS this week: links between gut microbiome and colorectal cancer mutations, targeted sequencing uncovers genetic susceptibilities to epilepsy in Koreans, and more.