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Evolution: Take Two

Eric Gaucher and Betül Arslan at the Georgia Institute of Technology are trying to determine whether a 500 million-year-old bacterial gene will evolve the same way twice, given the chance to start over, says New Scientist's Bob Holmes. The researchers are working with a gene called EF-Tu, which plays a role in protein synthesis in E. coli.

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Oil made from gene-edited soybeans is already in use, according to the Associated Press.

USA Today reports that Department of Veterans Affairs is teaming up with Sanford Health to provide veterans with genetic testing.

Mother Jones reports there are few regulations overseeing the use of genetic genealogy by law enforcement.

In Science this week: analysis of ancient DNA recovered from Iberian populations, and more.