NASA may have stuffed the ballot box on behalf of its Pluto mission, but Tabitha M. Powledge writes that the CRISPR technology was nevertheless selected as Science magazine's Breakthrough of the Year. Powledge also discusses other lists of the year's top science stories from Science News, the New England Journal of Medicine, Journal Watch, LiveScience, and other publications or web sites. Also, the top retractions of 2015 and the year's best science images.
January 9, 2016
