observational series
71Daf Palfrey — (born 26 March 1973) – Welsh television, film and video director, producer and writer. Contents 1 Education …
72History of timekeeping devices — For thousands of years, devices have been used to measure and keep track of time. The current sexagesimal system of time measurement dates to approximately 2000 BC, in Sumer. The Ancient Egyptians divided the day into two 12 hour periods, and… …
73List of clinical research topics — Clinical research is the aspect of biomedical research that addresses the assessment of new pharmaceutical and biological drugs, medical devices and vaccines in humans. Contents 1 General topics 2 Drug terminology 3 T …
74eclipse — eclipser, n. /i klips /, n., v., eclipsed, eclipsing. n. 1. Astron. a. the obscuration of the light of the moon by the intervention of the earth between it and the sun (lunar eclipse) or the obscuration of the light of the sun by the intervention …
75Universe — For other uses, see Universe (disambiguation). Physical cosmology …
76Least squares — The method of least squares is a standard approach to the approximate solution of overdetermined systems, i.e., sets of equations in which there are more equations than unknowns. Least squares means that the overall solution minimizes the sum of… …
77The OMAC Project — Cover to The OMAC Project #1 Art by Jose Ladrönn Publication information …
78History of attachment theory — Attachment theory, originating in the work of John Bowlby, is a psychological, evolutionary and ethological theory that provides a descriptive and explanatory framework for understanding interpersonal relationships between human beings. In order… …
79Aristotle — /ar euh stot l/, n. 384 322 B.C., Greek philosopher: pupil of Plato; tutor of Alexander the Great. * * * born 384, Stagira died 322 BC, Chalcis Greek philosopher and scientist whose thought determined the course of Western intellectual history… …
80John Bowlby — (February 26, 1907 – September 2, 1990) was a British psychiatrist and psychoanalyst, notable for his interest in child development and his pioneering work in attachment theory. Background John Bowlby was born in London to an upper middle class… …
