Portland cement doesn't come close to matching the resiliency of the concrete created by ancient Romans. After years of research, scientists believe they've unraveled the ingredients and production techniques that made Roman concrete so superior.
Jun 17, 2013 Bloomberg BusinessWeek
Shelby Brown has collected a humorous and fascinating look at the common gripes of the ancient Roman city dweller. From from traffic jams to fashion requirements, many of these complaints will sound eerily modern.
Jun 19, 2012 The Iris