Carl Zimmer
The author of Parasite Rex and writes regularly on evolution in the journal "Natural History."
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In Praise of Parasites
The author of Parasite Rex and writes regularly on evolution in the journal "Natural History."
Nearly three months after Russia launched its invasion, Western countries appear more committed than ever to Ukraine’s defense, and, in some quarters, to Russia’s defeat. We asked PS commentators what outcome the West, Russia, and Ukrainians themselves can realistically expect.