Some cardiac patients that receive a stent are prescribed blood thinners to keep platelets from building up inside it. But for about 70 percent of patients with Asian ancestry and 30 percent of patients with African or European ancestry, a genetic variant will prevent the blood thinner from working properly, says Technology Review's Susan Young.

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Dog DNA testing finds that some purebreds might not truly be purebreds, Inside Edition reports.

Mary Beckerle has returned as director of the Huntsman Cancer Institute, according to ScienceInsider.

Smithsonian Magazine reports that environmental DNA sampling can be used to track elusive organisms.

In Genome Research this week: repetitive satellite DNA in the fruit fly, transcriptome map assembly pipeline, and more.