The air above Dublin contains, among other things, genetic traces of cannabis, poppy, and magic mushrooms. Not the substances themselves, but fragments of their DNA, shed from plants, carried on particles, and pulled out of the atmosphere by a standard air filter running for a few hours. That finding comes from a study published on […] The air above Dublin contains, among other things, genetic traces of cannabis, poppy, and magic mushrooms. Not the substances themselves, but fragments of their DNA, shed from plants, carried on particles, and pulled out of the atmosphere by a standa... [9725 chars]