incompatible hypotheses hypothesis

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• Kurgan hypothesis — The Kurgan hypothesis (also theory or model) is a model of early Indo European origins, which postulates that the Kurgan culture of the Pontic steppe were the most likely speakers of the reconstructed Proto Indo European language. Though… …   Wikipedia

• Proto-Indo-European Urheimat hypotheses — The question of the homeland (Urheimat) of the Proto Indo European peoples and their Proto Indo European language has been a recurring topic in Indo European studies since the 19th century. Many hypotheses for an Urheimat have been proposed, and… …   Wikipedia

• Historical method — The historical method comprises the techniques and guidelines by which historians use primary sources and other evidence to research and then to write history. The question of the nature, and indeed the possibility, of sound historical method is… …   Wikipedia

• History of Physics —     History of Physics     † Catholic Encyclopedia ► History of Physics     The subject will be treated under the following heads: I. A Glance at Ancient Physics; II. Science and Early Christian Scholars; III. A Glance at Arabian Physics; IV.… …   Catholic encyclopedia

• Science and British philosophy: Boyle and Newton — G.A.J.Rogers INTRODUCTION Achievements in the natural sciences in the period from Nicholas Copernicus (1473– 1543) to the death of Isaac Newton (1642–1727) changed our whole understanding of the nature of the universe and of the ways in which we… …   History of philosophy

• Scientific method — …   Wikipedia

• Paradoxe de Fermi — Pour les articles homonymes, voir Fermi. Le radiotélescope Very Large Array dans le Nouveau Mexique (États Unis), haut lieu du …   Wikipédia en Français

• physical science — physical scientist. 1. any of the natural sciences dealing with inanimate matter or with energy, as physics, chemistry, and astronomy. 2. these sciences collectively. [1835 45] * * * Introduction       the systematic study of the inorganic world …   Universalium

• evolution — evolutional, adj. evolutionally, adv. /ev euh looh sheuhn/ or, esp. Brit., /ee veuh /, n. 1. any process of formation or growth; development: the evolution of a language; the evolution of the airplane. 2. a product of such development; something… …   Universalium

• Theory — The word theory has many distinct meanings in different fields of knowledge, depending on their methodologies and the context of discussion.In science a theory is a testable model of the manner of interaction of a set of natural phenomena,… …   Wikipedia

• Classification of the Japanese language — The immediate classification of the Japanese language is clear: it is a Japonic language, along with the Ryukyuan languages. Traditionally, these are considered dialects of a single language isolate. However, more distant connections remain… …   Wikipedia