Abnormal posturing is different from bad posture or slouching.. Instead, it involves holding a body position, or moving one or more parts of the body in a certain way. Abnormal posturing may be a sign of certain injuries to the brain or spinal cord.
Follow @TIME. 1963 was a momentous year in America: President John F. Kennedy was assassinated, Martin Luther King Jr. delivered his âI Have a Dreamâ speech at the March on Washington and, somewhat less heralded by all but the most fervent postal historians, the ZIP code was introduced.
Pre-1960âs Zoning. The concept of postal zoning, or assigning numbers based on geographic regions, was not new to the 1960âs ZIP Code campaign. The basic idea of postal zoning came into being in 1943, in the midst of World War II.