If DNA barcoding works for fish, it might also work for flowers, says this article in Scientific American. Katherine Harmon writes that the technique is a bit behind in plants than animals as plants as their mitochondria don’t differ as much as ones between animals do and because plants hybridize more readily.

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Vivek Murthy is no longer the surgeon general of the US, the Associated Press reports.

People around the globe took to the streets to support science — some with signs.

Parents who learn of their increased genetic risk of disease also contend with telling their children about theirs, the New York Times writes.

In PLOS this week: loci linked to body mass index measurements, long non-coding RNA expression and urothelial carcinoma prognosis, and more.