Puppy time by Matthew Modoono September 8, 2020 Share Facebook LinkedIn Twitter Kelly Riddle, who studies behavioral neuroscience and philosophy, plays with Wednesday, her 2-year-old King Charles spaniel, on Centennial Common. Photo by Matthew Modoono/Northeastern University Kelly Riddle, who studies behavioral neuroscience and philosophy, plays with Wednesday, her 2-year-old King Charles spaniel, on Centennial Common. Photo by Matthew Modoono/Northeastern University