A proto-GPS used punch cards to direct drivers.
Also, Los Angeles-area officials believe that "money makes the monkey dance," and a Georgia mayor struggles to get somebody to pay for his lawsuit.
Researchers in Los Angeles try out a more granular approach to temperature change estimates.
A rare moment of celebration in Cairo.
Photos from the Tennessee town of Oak Ridge, where thousands of workers and their families lived while constructing the atom bomb.
Ideas for rules that balance a building’s historic character with the need for green energy.
New research finds the "bystander effect" can be offset by the presence of public self-awareness.
Our car-dependent lifestyle has led to a dramatic rise in obesity-related illnesses. But we can do something about it.
No, we have not reached the end of segregation. Something much more complicated is going on.
A new economic and social order is a double-edged sword: it unleashes incredible energies, but it also causes tremendous hardships.
The locations where Facebook users check-in the most.
Urban landmarks the world over, all squeezed into one work of art.
Why Prudential thought it could save America's downtowns through its own decentralization.
A Japanese company is marketing an English version of "Drop," a horror story by The Ring author that's printed on TP.
A winter solstice celebration gets Bolivia's Aymara Indians up before dawn to salute the first rays.
Travel writer Taras Grescoe on the joys of public transportation.
This short film is one of the few records of life in the city.
Striking images and video of the city in the midst of a rebirth.
P.D. Smith's engaging and illuminating new book on the history, evolution and intricacies of cities.