A new statistical analysis of Airbnb listings shows the short-term-rental service is growing worldwide, but suggests that many hosts don't stick with it. Intermittent commercial uses of residences could be seen in the planning context of "mixed use."
Donald Trump invokes the darkest days of urban decay and crime to appeal to his base. The facts speak to an urban triumph that has led to greater national prosperity and higher standards of living for tens of millions of Americans.
Osama bin Laden's brother has announced plans to build the world's longest suspension bridge, connecting Africa and Arabia, and building two state-of-the-art cities at each end -- a project that is expected to cost upwards of $200 billion.