A main goal for almost all graffiti artists is to be seen by other artists or appreciative peers, as well as the typical New York City passers-by. In the mid-1980s, after more than 15 years effort, the New York City Transit Authority was successful… [more]

From left to right, this photograph shows four graffiti artists at work on a collaborative "production" in a Bronx schoolyard: DEATH, NIC 1, MEX, and NOX. A "production" is a planned, multi-artist work typically unified by a visual theme in the… [more]

In graffiti artists' terminology, this work is called a "masterpiece," or more commonly, a "piece." It was painted on a Brooklyn high school's retaining wall in the mid-1990s, and was one among about 50 such works in the schoolyard (sections of the… [more]

These photographs are among a series of fifteen taken in 1945 by U.S. soldier Glenn S. Hensley. Hensley was a professional photographer participating in aerial surveillance of Burma for the U.S. Army. The images illustrate an encounter between… [more]

The definition of an orphan for statistical purposes is a child under 18 years old who has lost one or both parents. A single orphan is a child who has lost one parent, a double orphan is a child who lost both parents. A maternal orphan is a child… [more]

The Millennium Development Goals (MDGs) are eight goals related to poverty, education, gender equality, health, environmental sustainability and development set in the year 2000 at the UN Millennium Summit, and adopted by 189 nations. The eight MDGs… [more]

Interstate 5 runs from the Mexican/U.S. border crossing at San Ysidro, California, to the Peace Arch Crossing into Canada at Blaine, Washington. This official yellow warning road sign is posted along Interstate 5 near the San Ysidro crossing and… [more]