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How the Cockroach Took Over the World

A genetic analysis of the German cockroach explained its rise in southern Asia millenniums ago, and how it eventually turned up in your kitchen.

ยฉ Erik Karits/Alamy

A genomic analysis of 281 cockroaches collected from 17 countries around the world suggests that Blattella germanica, the German cockroach, originated in India or Myanmar around 2,100 years ago.
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