WorldNewsOffice.com - Narwhal escape: Whales freeze and flee when frightened http://topstories.worldnewsoffice.com/science/narwhal-escape-whales-freeze-and-flee-when-frightened/ Narwhals show a "costly" response to threats, raising concerns over how they will respond to increased human contact. Thu, 07 Dec 2017 21:47:45 UTC en