Top secret military dolphins, exploding whales, and invasive green crabs. These are all things Dr. Eily Andruszkiewicz Allan is interested in learning more about. And she is doing it all with the help of a simple cup of water. It's a revolutionary bit of technology called eDNA and it is changing the way biologists are doing field work. eDNA could hold the mysteries of a new frontier in our understanding of the natural world.

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