Profs. Runnels and Marston contribute to Atlas Obscura article on defining current age of humanity
The article may be accessed here: http://www.atlasobscura.com/articles/stone-age-bronze-age-plastic-age-the-race-to-define-our-epoch
The article may be accessed here: http://www.atlasobscura.com/articles/stone-age-bronze-age-plastic-age-the-race-to-define-our-epoch