A collection of personal essays in philosophy of science (physics, especially gravity), philosophy of information and communication technology, current social issues (emotional intelligence, COVID-19 pandemic, eugenics, intelligence), philosophy of art, and logic and philosophy of language.The distinction between falsification and refutation in the demarcation problem of Karl PopperImre Lakatos - Heuristics and methodological toleranceIsaac Newton on the action at a distance in gravity: With or without God?Causal Loops in Time TravelThe singularities as ontological limits of the general relativityEpistemology of Experimental Gravity - Scientific RationalityPhilosophy of Blockchain Technology - OntologiesBig Data Ethics in ResearchEmotions and Emotional Intelligence in OrganizationsCOVID-19 Pandemic - Philosophical ApproachesEvolution and Ethics of EugenicsEpistemology of Intelligence AgenciesSolaris, directed by Andrei Tarkovsky - Psychological and philosophical aspectsCausal theories of reference for proper names