The Wall Street Journal @WSJ

The U.S. government has landed on an effective technique to keep wolves from terrorizing livestock: drones that blast alarming sounds like heavy metal and humans arguing https://t.co/0tfNyg2RlR

www.wsj.com

The Latest Weapons Against Wolves: AC/DC and Scarlett Johansson

To protect livestock from the predators, the government employs drones that blast alarming sounds like heavy metal and humans arguing