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Focuses on the Akashi Kaikyo Bridge, the world's longest suspension bridge, which provides a link between Shikoku and Japan. When the bridge will open to traffic; Bridge constructed to connect Japan's four main islands; Estimated cost of the Akashi Kaikyo Bridge.

The article cites the Tappan Zee bridge in New York City as an example of decaying infrastructure in the U.S., and speaks approvingly of a new design planned to replace it. The Tappan Zee is a cantilever bridge that costs $50 million annually to maintain. In the spring of 2015 work will begin on a replacement bridge that will use cable-stayed technology. Civil engineer Andrew Herrmann says cable-stayed bridges are becoming increasingly popular in the U.S.

A response by David B. Steinman to a letter to the editor about his article concerning bridges in the November 1954 issue is presented.

Looks back at the articles published in the February 1887 and February 1937 issues of the periodical 'Scientific American.' Route mileage of the world's airlines; Need of a bridge over the Hudson River at a point midway between New York and Albany; Confirmed cases of cocaine habit.

Presents articles concerning science which appeared in this magazine in 1937 and 1887. Completion of the San Francisco-Oakland Bay Bridge; Total mileage of the roads in the world; Aviation altitude record which was set by Squadron Leader F.R.D. Swain of the Royal Air Force of Great Britain; Importance of sanitation and public health; Drainage of the Pinsk Marshes in Russia; Topic of submarine warfare.

Presents articles printed in the March 1935 and March 1885 issues of the 'Scientific American' journal. Near completion of the San Francisco-Oakland Bay Bridge in California; Aeronautical Exhibition of the Aeronautical Society of Great Britain.

The article provides information on scientific developments published in previous issues of "Scientific Journals." The disaster of the airship Akron which lost brave and trained men had shocked the U.S. Through a letter, Lieutenant Commander Frank M. Hawks asked the Texaco Sky Chief for an airplane that would carry a fuel good for 2,000 miles and had a landing speed of 70 miles per hour. The bridge that links the cities of New York and Brooklyn was formally opened to the public.

A letter to the editor is presented in response to the article which talks about bridges by David B. Steinman in the November 1954 issue.