This Week in Science

In Science this week, researchers from Michigan State University publish data suggesting that there is no limit to how much evolutionary fitness can increase in a given population. Drawing on 12 E. coli populations that were founded from a common ancestor in 1988, the scientists examined the fitness trajectories for those bacterial populations over the course of 50,000 generations. They found no upper limit on fitness gains, as measured by increases in growth rates.

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The Washington Post reports on a Federal Bureau of Investigation plan to place rapid DNA analyzers at booking stations around the country.

In an editorial, officials from scientific societies in the US and China call for the international community to develop criteria and standards for human germline editing.

The US National Institutes of Health is to review studies that have received private support for conflicts of interest, according to the New York Times.

In Science this week: the PsychENCODE Consortium reports on the molecular mechanisms of neuropsychiatric disorders, and more.