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For the hyperbolic measure George Adams introduced the term growth measure. This name suggests that we can find the growth measure in growth processes in nature. In the present paper we show that the hyperbolic measure or growth measure can in fact be found in the distances between the knots of horsetail (Equisetum arvense). An approximation… Read More

Each year, some 50 billion migratory birds fly from their breeding grounds to their winter quarters, some of these being far away. Today, we know both the flyways taken by many types of bird and that migratory birds possess a celestial and a magnet compass. Furthermore, evidence is available to prove that any migratory bird, provided it has… Read More

The threefold nature of the human being and the universe is by far the most fruitful idea of anthroposophy because it opens the possibility of grasping the soul being of the human being in its dependence on both the physical and the spiritual world. But deploying this idea fruitfully presents at the same time greater difficulties than do most… Read More

Some botanical observations on the origin of functionality through degeneration

The obvious correlation between the special form of a plant species and its living conditions easily leads to the assumption that a plant organism has, so to speak, 'made' its organs like tools in order to be able to exist. Here we shall attempt to show how… Read More