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Vataireopsis amroba
Vataireopsis amroba. A plant for treating skin diseases
The wood of the tropical tree Vataireopsis araroba produces an exudate containing anthranoids (Goa powder, chrysarobin) which was used for topical treatment of psoriasis and other skin diseases. However, today it is larger obsolete and has been replaced by the synthetically… Read More
Die Senkrechte in der Evolution
The upright position in the evolution: ‘Why is the fluke of the Whale shaped horizontally?’
Dolphins and whales are water-based mammals and differ in various characteristics from fish, the predominant water species. A comparison of those two animal groups provides helpful insights into basic concepts of evolution. Evolutionary research… Read More
Peripherie und Zentrum
Periphery and centre — indicators for inversions in plant growth
Goethe said 'that nature has no secrets that she does not somewhere present naked to the eyes of the attentive observer' (Annals of 1790). A secret in two senses, i.e. not only for our inspection but also for our understamling, is the changing shape of the organ in the… Read More
Goethes und Schillers Xenien über »Die Philosophen«
Goethe's and Schiller's Xenien on 'The Philosophers'
The Xenien is a series of satirical epigrams that Johnnn Wolfgang von Goethe und Friedrich Schiller first published in 1797 in Schiller's Musenalmanach. The name Xenien was coined by the Roman poet Martial (1st century AD) who thus named the 13th book of his Martial Epigrams which… Read More
Ur-Experimente zur phänomennahen Bildung der Begriffe »Polarisation des Lichtes« und »Optische Aktivität« einer Substanz
Archetypal experiments for conceptualising both the polarisation of light and the optical activity of a substance while staying close to the phenomena
In the 17"‘ century, C. Huygens described the 'phénornéne merveilleux', a 'wonderful' optical experiment with two calcite (Iceland spar) crystals. ln connection with this, a series of… Read More
Knochenbildung in Wechselwirkung mit der Atmung bei Süßwasser-Schildkröten
Through the. specific anatomy of their lungs enclosed in the shell, the rhythtmic system of turtles is less autonomous than in other reptiles, higher animals or the human being. This correlates with an openness to the influences of annual rhythms in the environment. Such openness is at its most extreme in the North American Freshwater turtles,… Read More
Immerwährende Bewegung
Continuous movement - ocean currents between sun and earth
Ocean currents develop in the energy fields between sun and earth‚ between the heat that comes from the sun and the salt that comes from the earth. They serve to balance out the heat of the climatic zones and transport gases and nutrients. The biggest ocean current, the… Read More
Die Melodiewahrnehmung der Singvögel
It has long been regarded as unscientific to consider the musical aspects of territorial behaviour among songbirds. The musical abilities of song birds, for example their perception of melody and their capacity to transpose, have been questioned many times. Furthermore, avian intelligence — With the exception of ravens and parrots — was… Read More
Ranunculus lingua L., der Zungen-Hahnenfuß
Greater spearwort (Ranunculus lingua L.)
Ranunculus lingua L. is a member of the buttercup family. It has petioleless, lanceolate leaves and grows in water close to the bank and reaches a height of 1.5 m. Göbel (unpublished) and SUCHANTKE (2009) have shown that in the genus Ranunculus, with its multitude of leaf forms, the respective… Read More
Entwurf einer organismischen Systembiologie
Sketch of an organismic systems biology
Biology has been dominated for a long time by two contrasting explanations and research approaches: reductionism and holism. This article shows that both views are one-sided and that a new synthesis can be developed. We develop a fundamental concept of the organism starting from the earlier… Read More