a problem which affects us directly
91Science 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… …
92Rail profile — Rail from 1896 Cross sections of flat bottomed which can rest directly …
93Pleistocene Epoch — Earlier and longer of the two epochs that constitute the Quaternary Period. The Pleistocene began с 1.8 million years ago and ended с 10,000 years ago. It was preceded by the Pliocene Epoch of the Tertiary Period and followed by the Holocene… …
94Palaeontology — Palæontology † Catholic Encyclopedia ► Palæontology (logos ton palaion onton) Palæontology, or the science of fossils, deals with extinct or primeval animals and plants. It treats of their characteristics, classification, life and …
95Epigenetics — In biology, the term epigenetics refers to changes in gene expression caused by mechanisms other than changes in the underlying DNA sequence. These changes may remain through cell divisions for the remainder of the cell s life and may also last… …
96Expulsion of Germans after World War II — The expulsion of Germans after World War II was the forced migration and ethnic cleansing of German nationals ( Reichsdeutsche ) and ethnic Germans ( Volksdeutsche) from the former eastern territories of Germany, former Sudetenland and other… …
97Labour economics — seeks to understand the functioning of the market and dynamics for labour. Labour markets function through the interaction of workers and employers. Labour economics looks at the suppliers of labour services (workers), the demanders of labour… …
98Niqqud —  ְ   ֱ  …
99virus — viruslike, adj. /vuy reuhs/, n., pl. viruses. 1. an ultramicroscopic (20 to 300 nm in diameter), metabolically inert, infectious agent that replicates only within the cells of living hosts, mainly bacteria, plants, and animals: composed of an RNA …
100Contract bridge — Bridge declarer play Alternative name(s) Bridge Type trick taking Players 4 Skill(s) require …
