Ecologists usually work by catching and tagging as many animals as they can in order to determine biodiversity, but an easier method may be "just beneath their feet," says Nature News' Amy Maxmen.
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CNN reports that researchers have tied a new variant to opioid addiction risk.
Organoids derived from patients' tumors may help determine what chemotherapy treatment patients would benefit from, according to New Scientist.
An initiative from GenomeAsia 100K hopes to increase the number of South Asians in genetic research, according to NBC News.
In Science this week: genomic analysis of ancient and modern horses indicates population turnover, and more.