"To identify birds hit by planes, expose seafood fraud, [and] protect endangered species" — these are but a few ways scientists are now using DNA barcoding, Washingtonian magazine reports. "As the cost of sequencing continues to plummet, barcoding has become indispensable even in fields that seem remote from molecular biology," reporter Sam Kean writes.

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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.