'There Are No Coloured Butterflies - Even Simple Large Whites Are Rare...' A Selection of Letters between Petr Bezruč and Jan Vrba, Father and Son, from 1913 to 1956.
Long-term multidisciplinary research has significantly advanced our understanding of the Krkonoše Mts. arctic-alpine tundra. Three tundra zones (cryo-eolian, cryo-vegetated and niveo-glaciated) are recognized and can be found on the highest summits, etchplains of the western and eastern parts of the mountains and in glacial cirques on both sides of the state border. The arcticalpine tundra of the Krkonoše Mts. is one of the major centres of geobiodiversity in the context of Central European mountains. and Jan Štursa.
Ve 30. letech 20. století se Martin Heidegger pokusil vysvětlit „dějiny Bytí“ vedoucí ke stavu, jejž nazýval „zapomněním Bytí“. Zaměřil se přitom na vliv moderní vědy, jež je podle něj jistým druhem metafyziky. Základní povaha moderní vědy podle Heideggera spočívá v jejím mathématickém charakteru. Řecký výraz " to mathéma“ znamená "to, co se lze naučit“ a "co je předchůdně známo“. Heideggerovým cílem je ukázat, že mathématický charakter moderní vědy rozhoduje o obecném chápání významu "bytí“ a že moderní věda nahrazuje metafyziku, v níž tkví její původ., In the mid of 1930s Martin Heidegger attempted to explain the
“history of Being” leading to what he called “the oblivion of Being". In this he focused on the impact of modern science, which he grants to be a sort of metaphysics. According to Heidegger, the main feature of the modern science consists in what he calls the mathéma -character. Th e Greek word “to mathéma” means “that what can be learned” and “what must be know beforehand.” It is Heidegger’s intention to show that the mathéma-character of modern science is deciding about the general understanding of the meaning of “being” and that modern science is replacing the metaphysics, which is the origin of the modern science., and Aleš Novák.