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:Matter: Hints of Human Evolution in Chimpanzees That Endure a Savanna’s HeatChina edging closer to US with plans to move WARSHIPS to new volcanic island baseDogs Can’t Have Autism, U.K. Officials Say After Vaccine Scare‘Australia will be KEY Cold War nation with US nukes in Sydney harbour’Trilobites: This Fungus Borrowed From Ancient Bacteria to Defy GravityTrilobites: A New Spider Family Tree Tries to Untangle the Evolution of Webs