Hammock season by Ruby Wallau May 28, 2020 Share Facebook LinkedIn Twitter Thomas Cairns, who recently graduated from Northeastern’s marine biology program, enjoys a hot day in his hammock on Centennial Common. Photo by Ruby Wallau/Northeastern University Thomas Cairns, who recently graduated from Northeastern’s marine biology program, enjoys the shade on a hot day from his hammock on Centennial Common. Photo by Ruby Wallau/Northeastern University