North Atlantic right whale. (Credit: Doug Nowacek)

Recently released research used the “natural experiment” conditions of the lull in ship activity after the September 11, 2001 terrorist attacks to measure the stress effects of ship noise in right whales. They found a significant decrease in stress hormones in these endangered animals during the period of reduced ship activity. The UW’s Center for Conservation Biology‘s Sam Wasser is a co-author on the original study. Read more here!