The German media reported on September 9 that Russian opposition figure Alexey Navalny was poisoned with a new type of “Novichok” nerve agent, more dangerous than any variation previously identified. Earlier in the month, Meduza science editor Alexander Ershov interviewed biochemist Marc-Michael Blum to find out more about how analytical chemistry is able to identify these poisons in patients and what the outlook is for Navalny’s recovery. (Read the interview’s transcript here.)

On social media, it’s easy to find skeptics who question the German specialists’ conclusions — particularly because the implications of a nerve-agent attack against an opposition leader on his home soil are severe and strongly suggest the state authorities’ involvement — but such incredulity is hard to maintain in the face of Dr. Blum’s explanations.

“The Naked Pravda” comes out on Fridays (or sometimes Saturdays). Catch every new episode by subscribing at Apple Podcasts, Spotify, Google Podcasts, or other platforms. If you have a question or comment about the show, please write to Kevin Rothrock at [email protected] with the subject line: “The Naked Pravda.”

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