This Week in PLOS

In PLOS One, researchers from the National Oceanic and Atmospheric Administration and the University of Washington report on killer whale diet clues detected using DNA-based analyses of the animals' poop samples. The team pooled 175 fecal samples collected over the summers from 2006 to 2011 into 13 groups, which were compared with two control samples with known DNA compositions as well as sequence databases containing information for 19 fish that may fall prey to killer whales.

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Science speaks with the University of Michigan's Jedidiah Carlson, who has tracked population genetic discussions at white nationalist sites.

Gene therapies could qualify for a faster US Food and Drug Administration approval process, according to Stat News.

NPR reports that the US House of Representatives has passed a bill to enable terminally ill patients access to experimental drugs.

In Genome Research this week: inversion variants mapped in human, non-human primate genomes; transcriptome profiling of maize, sorghum; and more.