This Week in PLOS

In PLOS Pathogens, New York University microbiologist P'ng Loke and collaborators look at the consequences of using the parasitic whipworm Trichuris trichiura as a possible treatment for five rhesus macaque monkeys with idiopathic chronic diarrhea, or ICD, a condition that resembles ulcerative colitis. In four of the five animals, the helminth worm treatment seemingly improved ICD symptoms, they report.

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The president of France's National Research Agency has resigned, according to Nature News.

A senator wants a "right-to-try" provision in the US Food and Drug Administration funding bill, but an ethicist says at Stat News that it would undermine the role of clinical trials.

In PNAS this week: red algae Porphyra umbicalis genome, deep neural network model for sequencing peptides, and more.

The Guardian's Barbara Ellen has tried out some DNA testing services to see whether they provide valuable information.