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While gene drives have great potential for controlling weeds, seed banks can foil their efforts.

Changes in the genomes of the Turkana of northern Kenya reveal how they have evolved to survive in extreme desert conditions for thousands of years.

In theory, such a mechanism could be used to prevent malarial mosquitoes from transmitting disease, or possibly to wipe out an invasive species by disabling its ability to reproduce. Though scientists have had success proving the concept in the...