The Conversation

How DNA is helping us fight back against pest invasions

Author: The Conversation

Perfect swarmJuan Medina/EPA

They are the original globe trekkers. From spiders bunking along with humanity’s spread into south-eastern Asia, to sea squirts hopping on military craft returning after the Korean War, invasive species have enveloped the globe.

These species outcompete native ones for resources and also cause immense environmental...

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