Though ancient settlements and modern cities may be separated by centuries, a survey conducted by scientists at the University of Colorado Boulder indicates that the two aren't as different as they may seem. The study involved using the measurements of 4,000 ancient settlements, temples, and houses from the area that is now modern-day Mexico City. Studying this area revealed the practice of urban scaling that is still used today.

The research also indicated that like modern cities, ancient settlements became more productive in correlation with a growing population. Read More