In this paper, I seek to revitalize the concept of happiness by conceptualizing it as a relational and instantaneous phenomenon with both existential, ethical political dimensions. Happiness hap-ens – in through encounters, does so when we least expect it. Drawing on Bachelard’s writings ‘the instant’, well Gumbrecht’s Rosa’s much related concepts ‘presence’ ‘resonance’, attempt formulate more ...

background & aim: achillea filipendulina is one of the most important species of the family asteraceae and, it considered as one of the most valuable medicinal and ornamental plants. environmental factors affected on quality and quantity of the essential oil of medicinal and aromatic plants. so, selecting of appropriate season for harvesting can lead to increase quality and quantity yield. ...