intensive observation period
41philosophy, Western — Introduction history of Western philosophy from its development among the ancient Greeks to the present. This article has three basic purposes: (1) to provide an overview of the history of philosophy in the West, (2) to relate… …
42Dingo — For other uses, see Dingo (disambiguation). Dingo Australian dingo Conservation status …
43Health and Disease — ▪ 2009 Introduction Food and Drug Safety. In 2008 the contamination of infant formula and related dairy products with melamine in China led to widespread health problems in children, including urinary problems and possible renal tube… …
44animal learning — ▪ zoology Introduction the alternation of behaviour as a result of individual experience. When an organism can perceive and change its behaviour, it is said to learn. That animals can learn seems to go without saying. The cat that… …
45literature — /lit euhr euh cheuhr, choor , li treuh /, n. 1. writings in which expression and form, in connection with ideas of permanent and universal interest, are characteristic or essential features, as poetry, novels, history, biography, and essays. 2.… …
46HUMAN GEOGRAPHY — In respect of human as well as of physical geography, it is convenient to divide the Land of Israel into four major units: 1. the Mediterranean Coastal Plain 2. the hill regions of northern and central Cisjordan (west of the Jordan) 3. the Rift… …
47Inner German border — Innerdeutsche Grenze North and central Germany …
48death — /deth/, n. 1. the act of dying; the end of life; the total and permanent cessation of all the vital functions of an organism. Cf. brain death. 2. an instance of this: a death in the family; letters published after his death. 3. the state of being …
49Leonardo da Vinci — /lee euh nahr doh deuh vin chee, lay /; It. /le aw nahrdd daw dah veen chee/. 1452 1519, Italian painter, sculptor, architect, musician, engineer, mathematician, and scientist. * * * born April 15, 1452, Anchiano, Republic of Florence died May 2 …
50painting, Western — ▪ art Introduction history of Western painting from its beginnings in prehistoric times to the present. Painting, the execution of forms and shapes on a surface by means of pigment (but see also drawing for discussion of depictions in …
