2016 report from researchers at Colorado State and Harvard universities that provides the first overall assessment of the economic value of America's national parks and programs offered by the National Park Service.
2015 research roundup analyzing data related to deaths of suspects in police custody and looking at the academic literature that speaks to problematic or risky restraint tactics.
2005 report in Wilderness and Environmental Medicine that looks at the prevalence and characteristics of alligator attacks on humans in the U.S. from 1948 to 2004.
2016 study in Proceedings of the National Academy of Sciences (PNAS) that provides one of the most comprehensive analyses to date of the many fluid dimensions of population movement across societies.