Living in a city, one becomes easily accustomed to the constant noise generated by humans and their daily activities. Think of the noise from transit alone: horns blaring, engines humming and trains running. It begs the question, does the noise in a cityscape ever stop? Can we experience silence and the sounds of nature, uninterrupted by human noise in an urban environment? Liam Heneghan, a professor in the Department of Environmental Science and Studies and his undergraduate research assistants set out during winter quarter to find out.