Uneasy Truce

People and their microbes have long coexisted, mainly in an uneasy peace. While bacteria can cause disease — Helicobacter pylori is behind gastric ulcers — the lack of bacteria is also being linked to disease, writes Michael Specter in this week's issue of The New Yorker. As little as 15 years ago, some doctors were saying that "the only good Helicobacter pylori is a dead Helicobacter pylori."

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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.