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Frog vs Fish

Caren Goldberg
Caren Goldberg

Caren Goldberg, an ecologist at Washington State University, is knee-deep in the cutting-edge field of environmental DNA, or eDNA. This modern approach to surveying species in freshwater environments takes advantage of the fact that animals leave DNA—from sloughed off skin, feces, or urine—behind in the water. Researchers simply take water samples and then analyze them for eDNA to determine which species are present. » More …