precursor object
121History of science — History of science …
122Early Islamic philosophy — or classical Islamic philosophy is a period of intense philosophical development beginning in the 2nd century AH of the Islamic calendar (early 9th century CE) and lasting until the 6th century AH (late 12th century CE). The period is known as… …
123List of Schedule 2 substances (CWC) — Schedule 2 substances, in the sense of the Chemical Weapons Convention, are chemicals which can either be used as chemical weapons themselves or used in the manufacture of chemical weapons but which have small scale applications outside of… …
124History of scientific method — The history of scientific method is inseparable from the history of science itself. The development and elaboration of rules for scientific reasoning and investigation has not been straightforward; scientific method has been the subject of… …
125Semitic languages — Family of Afro Asiatic languages spoken in northern Africa and South Asia. No other language family has been attested in writing over a greater time span from the late 3rd millennium BC to the present. Both traditional and some recent… …
126Christianity — • An account is given of Christianity as a religion, describing its origin, its relation to other religions, its essential nature and chief characteristics, but not dealing with its doctrines in detail nor its history as a visible organization… …
127Sceptics (The) — The sceptics Michael Frede INTRODUCTION When we speak of ‘scepticism’ and of ‘sceptics’, we primarily think of a philosophical position according to which nothing is known for certain, or even nothing can be known for certain. There are certain… …
128Exploration of the Moon — Apollo 12 lunar module Intrepid prepares to descend towards the surface of the Moon. NASA photo. The physical exploration of the Moon began when Luna 2, a space probe launched by the Soviet Union, made an impact on the surface of the Moon on …
