Problemy ze snem mogą mieć różnoraki przyczyny. Wiele zaburzeń miewa charakter fizjologiczny, związanych jest z wiekiem, trybem życia, emocjami, nałogami, a nawet sposobem odżywiania. Nie zawsze też p...
The Semi-Slav variation of the Queen's Gambit leads to some of the most complex positions in chess theory. In brief, Black concedes space at the centre of the board in order to launch a counter-attack...
Stimulated by "Noah's Flood Hypothesis" proposed by W. Ryan and W. Pitman in which a catastrophic inundation of the Pontic basin was linked to the biblical story, leading experts in Black Sea research...