An Ice Core Reveals the Economic Health of the Roman Empire Lead pollution embedded in a Greenland glacier recorded peak periods of wealth as well as crises, like the Cyprian plague. Share: Facebook Twitter Google+ Stumble Digg Email ThisBlogThis!Share to XShare to Facebook Related Posts:Is this what Jesus really looked like?Pistas Sobre Danos Causados Pelo Zika Podem Estar Equivocadas Em Casos De GêmeosScientists claim gaping hole in the Sun could cause World War 3 or another 9/11Opinion: Are These Birds Too Sexy to Survive?Molly at the Marriott: Inside America’s Premier Psychedelics ConferenceA Second Drug Is Approved to Treat A.L.S.