A money belt with a zipper became an instant success among WWI U.S. sailors, whose uniforms did not have pockets. Almost all initial zipper sales were for the money belts.

Traffic congestion has been a problem in the United States ever since the 1930s, and since that time, scientists have been studying on the problem.

The history of the Channel Tunnel is the really the contentious history between France and England.

Boeing has developed a metal microlattice, a strong material mostly composed of air.

Water-smart urban design and drought in the American West.