Written by a scholar or researcher in the field. Generally written by a member of the magazine's staff or a free lance writer. Articles may also be unsigned. Written for an audience with background in the field. Covers general interests and appeals to a broad audience.
Main purpose is to entertain.
Much of the research done is original. Information is second or third hand. Includes few advertisements. Includes many advertisements. Many of these journals are published by professional organizations, scholarly presses or universities.