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 World Is What It Is in 1996. The biography has been extensively reviewed: the reviewers include Paul Theroux, who wrote an earlier book about Naipaul. The biography was selected by the editors of the "New York Times Book Review" as one of the "Times"' "10 Best Books of 2008". It won the 2008 National Book Critics Circle Award in Biography, and the British literary award the Hawthornden Prize. The World Is What It Is The World Is What It Is: The Authorized Biography of V. S. Naipaul is a biography of the Nobel Prize-winning author V. S. Naipaul by Patrick French. It was published in