Environmental DNA—or eDNA for short—is DNA left behind in the environment like fingerprints at a crime scene. But what is eDNA, exactly? Would the answer help us collect eDNA from the environment more ...

During the annual salmon run last fall, University of Washington researchers pulled salmon DNA out of thin air and used it to estimate the number of fish that passed through the adjacent river. Aden ...

The ability to extract trace bits of DNA from soil, water, and even air is revolutionizing science. But it's not foolproof. In the late 1980s, at a federal research facility in Pensacola, Florida, ...

Environmental DNA (eDNA) tests can identify genetic material left by organisms in the environment, such as cells and ...

Environmental DNA, also known as eDNA, is genetic material shed from animals and plants that scientists can use to tell what kinds of organisms are living in an environment. However, scientists ...