Keel (bird anatomy) keel; and ratites (from "ratis", "raft" — referring to the flatness of the sternum), having a subtle keel structure or lacking one entirely. However, this classification has fallen into disuse as evolutionary studies have shown that many flightless birds have evolved from flighted birds. The current definition of Carinatae now includes all extant birds. Keel (bird anatomy) A keel or carina (plural carinae) in bird anatomy is an extension of the sternum (breastbone) which runs axially along the midline of the sternum and extends outward, perpendicular to the plane of the ribs. The keel provides an anchor to which a
The Anatomy of Peace The Anatomy of Peace The Anatomy of Peace () was a book by Emery Reves, first published in 1945. It expressed the world federalist sentiments shared by Albert Einstein and many others in the late 1940s, in the period immediately following World War II. "The Anatomy of Peace - Resolving the Heart of Conflict", by Arbinger Institute is a different book from the one above. "The Anatomy of Peace", published by Berrett-Koehler Publishers, reminds us that war and conflicts in life at home, at work, and in the world, are often our own making. In this business fable, we read