When city leaders talk about making a town "smart," they're usually talking about urban digital twins. These are essentially high-tech, 3D computer models of cities. They are filled with data about ...

Researchers simulated nearly every molecule in a bacterial cell — and then watched the cell grow and reproduce.

Our complex simulation model enables researchers to predict how variables like policy, product design, and behavioral changes can affect retirement readiness across a wide range of demographics. The ...

♦ UPDATE: Learn about companies that are applying this timeless advice today. A version of this article appeared in the July–August 2008 issue of Harvard Business Review. James L. Heskett is a Baker ...