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National News

RESTRICTED -- This Mutant Crawfish Clones Itself, and It’s Taking Over Europe

A marbled crayfish, in a photo provided by Ranja Andriantsoa. The creature is a mutant species that clones itself, scientists report. The population is exploding in Europe, but the species appears to have originated only about 25 years ago. (Ranja Andriantsoa via The New York Times) -- NO SALES; FOR EDITORIAL USE ONLY WITH NYT STORY MUTANT CRAWFISH BY CARL ZIMMER FOR FEB. 05, 2018. ALL OTHER USE PROHIBITED. --