Mensch und Welt. Das Wirken des Geistes in der Natur - über das Wesen der Bienen

Lectures for the workers on the Goetheanum building, volume V. Fifteen lectures, Dornach, 1923. 'Steiner, Rudolf - Rudolf Steiner Gesamtausgabe'. expanded. colour blackboard drawings in the appendix. Hardback.

Contents (selection): I. The nature of butterflies / On prussic acid and nitrogen, carbonic acid and oxygen / The human being and the earth in the north and south / On the being of hydrogen / On the nature of comets / The activity of substances in the cosmos and in the human body / On the causes of infantile paralysis. On plant growth II. Bee and human being / On the perception of bees / Honey and quartz / On honey / On the gall wasp / On bee venom and on ants / The significance of formic acid / Oxalic acid, formic acid, carbonic acid and their significance in nature

EAN: 9783727435126
ISBN: 3727435127
Libri: 2761737
November 2020 - 296 pages