Your DNA Can Now Be Pulled From Thin Air

Environmental DNA research has aided conservation, but scientists say its ability to glean information about human populations and individuals poses dangers. From a report: David Duffy, a wildlife geneticist at the University of Florida, just wanted a better way to track disease in sea turtles. Then he started finding human DNA everywhere he looked. Over the last decade, wildlife researchers have refined techniques for recovering environmental DNA, or eDNA -- trace amounts of genetic material th