GIS Geographical Information System originated in the 1960s. During the early days of the technology the use was limited to a small group of practicioners. It is a information technology which analizes, stores, and displays both spatial and non-spatial data. It is used in many different specializati...

September 11, 2001 was marked as a somber day for the United States and for civilized society around the world. The World Trade Center (Twin Towers) were symbols of economic power in the whole world. Consequently it impacted many people's and companie's financial situation. The destruction of thos...

John F. Kennedy Jr. John Fitzgerald Kennedy Jr. was born on November 25, 1960, two and a half weeks after his father was elected president of the United States and less than two months before his father was inaugurated. Three years later, that father, murdered by an assassin's bullet, was bur...

Harry S. Truman Harry S. Truman was sworn into office on April 12, 1945 as the thirty-third President of the United States of America. He did not win an election, but he was the Vice President under President Franklin Roosevelt who had died so Harry Truman became President. On August 6, 1...

Many individuals in our society today believe that the positive portrayal of violence and sex in rap music has negative effects on its listeners. Due to this widespread perception, many studies have systematically examined rap music for evidence of its negative effects. This issue is important...