|The process through which Cells can communicate with each other is known as signal transduction This involves long strings of chemical messages, often known as signal transduction cascades. Signal transduction cascades plays a vital role in the communication of cells with each other, dictating gene expression or activation of otherwise inactive molecules. A journal is a periodical publication intended to further progress of science, usually by reporting new research. Most journals are highly specialized, although some of the oldest journals publish articles, reviews, editorials, short communications, letters, and scientific papers across a wide range of scientific fields. Journals contain articles that peer reviewed, in an attempt to ensure that articles meet the journal's standards of quality, and scientific validity. Each such journal article becomes part of the permanent scientific record.