first+steps+or+principles
61social security — 1. (usually caps.) a program of old age, unemployment, health, disability, and survivors insurance maintained by the U.S. federal government through compulsory payments by specific employer and employee groups. 2. the theory or practice of… …
62Condoleezza Rice's tenure as Secretary of State — Rice signs official papers after receiving the oath of office during her ceremonial swearing in at the Department of State. Watching on are, from left, Laura Bush, Justice Ruth Bader Ginsburg, President George W. Bush and an unidentified family… …
63ḤASIDISM — ḤASIDISM, a popular religious movement giving rise to a pattern of communal life and leadership as well as a particular social outlook which emerged in Judaism and Jewry in the second half of the 18th century. Ecstasy, mass enthusiasm, close knit …
64Philosophiæ Naturalis Principia Mathematica —   Title page of Principia , first edition (1687) Original title …
65World Summit on the Information Society — The World Summit on the Information Society (WSIS) was a pair of United Nations sponsored conferences about information, communication and, in broad terms, the information society that took place in 2003 in Geneva and in 2005 in Tunis. One of its …
66History of optics — Optics began with the development of lenses by the ancient Egyptians and Mesopotamians, followed by theories on light and vision developed by ancient Greek and Indian philosophers, and the development of geometrical optics in the Greco Roman… …
67Physics — (Greek: physis φύσις), in everyday terms, is the science of matter [R. P. Feynman, R. B. Leighton, M. Sands (1963), The Feynman Lectures on Physics , ISBN 0 201 02116 1 Hard cover. p.1 1 Feynman begins with the atomic hypothesis.] and its motion …
68Inventions in medieval Islam — A significant number of inventions were developed in the medieval Islamic world, a geopolitical region that has at various times extended from Al Andalus and Africa in the west to the Indian subcontinent and Malay Archipelago in the east.… …
69Health realization — (HR) is a resiliency approach to personal and community psychology [Mills, R: Realizing Mental Health: Toward a new Psychology of Resiliency , Sulberger Graham Publishing, Ltd. 1995.] first developed in the 1980s by Roger C. Mills and George… …
70Cosmogony — • By this term is understood an account of how the universe (cosmos) came into being (gonia • gegona = I have become). It differs from cosmology, or the science of the universe, in this: that the latter aims at understanding the actual… …
