sciencehabit writes "If carrion flies have one enviable talent, it's finding animal carcasses in the wilderness, something they surpass even the most systematic and intrepid field biologists at doing. Now, researchers may be able to capitalize on the insects' gruesome gift to survey biodiversity. Capture the flies, a new study shows, and DNA from their last meals will tell you which animals live in the area. In addition to scanning an area's biodiversity, the technique has the potential to reveal species that are new to science."
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