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Observing the air traffic in Rõuge, Estonia. Observation in the natural sciences [1] is an act or instance of noticing or perceiving [2] and the acquisition of information from a primary source.
The history of scientific method considers changes in the methodology of scientific inquiry, not the history of science itself. The development of rules for scientific reasoning has not been straightforward; scientific method has been the subject of intense and recurring debate throughout the history of science, and eminent natural philosophers and scientists have argued for the primacy of ...
Historical method is the collection of techniques and guidelines that historians use to research and write histories of the past. Secondary sources, primary sources and material evidence such as that derived from archaeology may all be drawn on, and the historian's skill lies in identifying these sources, evaluating their relative authority, and combining their testimony appropriately in order ...
Ward's minimum variance method can be defined and implemented recursively by a Lance–Williams algorithm. The Lance–Williams algorithms are an infinite family of agglomerative hierarchical clustering algorithms which are represented by a recursive formula for updating cluster distances at each step (each time a pair of clusters is merged).
Medical observation is a medical service aimed at continued care of selected patients, usually for a period of 6 to 24 (sometimes more) hours, to determine their need for inpatient admission.
Awakenings is a 1990 American biographical drama film written by Steven Zaillian, directed by Penny Marshall, and starring Robert De Niro, Robin Williams, Julie Kavner, Ruth Nelson, John Heard, Penelope Ann Miller, Peter Stormare and Max von Sydow.
Ephesus (/ ˈ ɛ f ɪ s ə s /; [1] [2] Ancient Greek: Ἔφεσος, romanized: Éphesos; Turkish: Efes; may ultimately derive from Hittite: 𒀀𒉺𒊭, romanized: Apaša) was a city in Ancient Greece [3] [4] on the coast of Ionia, 3 kilometres (1.9 mi) southwest of present-day Selçuk in İzmir Province, Turkey.
Curly Girl Method. The Curly Girl Method is an approach to hair care designed by author Lorraine Massey for textured hair in its natural state (coils, waves, and curls) that has not been chemically relaxed.