Archelaus (philosopher) Archelaus (philosopher) Archelaus (; ; fl. 5th century BCE) was an Ancient Greek philosopher, a pupil of Anaxagoras, and may have been a teacher of Socrates. He asserted that the principle of motion was the separation of hot from cold, from which he endeavoured to explain the formation of the Earth and the creation of animals and humans. Archelaus was a philosopher of the Ionian School, called "Physicus" from having been the first to teach natural philosophy at Athens. This statement of Diogenes Laërtius, is contradicted by Clement of Alexandria, but the two may be reconciled by supposing that Archelaus
Devil's Beef Tub Devil's Beef Tub The Devil's Beef Tub, (Marquis of Annandale's Beef-Tub, Beef-Stand, MacCleran's Loup) is a deep, dramatic hollow in the hills north of the Scottish town of Moffat. The 500-foot (150 m) deep hollow is formed by four hills, Great Hill, Peat Knowe, Annanhead Hill, and Ericstane Hill. It is one of the two main sources of the River Annan. The Devil's Beef Tub is a deep, dramatic hollow in the hills north of the Scottish town of Moffat. The 500-foot (150 m) deep hollow is formed by four hills, Great Hill (1527 ft, 465 m), Peat Knowe, Annanhead