A new article, based on The Testosterone Hypothesis, published in World Cycles Institute website:   Mr. Barzilai sums up the effect of lower testosterone levels on the way we think: “Hormones are the causes and motives of the thoughts running through our mind and the choice of actions the brain orders the body to take.”… Read More


Roy Barzilai is an independent scholar and author of The Testosterone Hypothesis: How Hormones Regulate the Life Cycles of Civilization and Sex Wars: How Hormones Drive Gender, Race, & Culture Conflicts. We talked about his hypothesis of how hormones regulate the life cycles of civilization, how the sun effects growth cycles, chronobiology, and individualistic vs.… Read More


My article published on pages 12-13: Bear Markets and Winter Flu Season: Chronobiology of Financial Market Distress Link to PDF: https://ifta.org/wp-content/uploads/2020/05/IFTA_Update_Vol27-iss1.pdf     Abstract In this article, I wish to explain the interrelated nature of seasonal patterns of climate and weather, chronobiological cycles (how solar activity effects human behavior) in respect to economic activity, and… Read More


My second article published in academic SCIENCE & PHILOSOPHY journal. SOLAR CYCLES, LIGHT, SEX HORMONES AND THE LIFE CYCLES OF CIVILIZATION: TOWARD INTEGRATED CHRONOBIOLOGY Roy Barzilai ABSTRACT The emerging discipline of complexity science, applied to the social sciences, seeks to study the rise of human civilization as a part of a natural, evolving biological system… Read More


My article publised in academic SCIENCE & PHILOSOPHY journal – THE TESTOSTERONE PARADOX   ABSTRACT In my work I argue that sexual differences in the brain seem to shape the ideological gulf between the respective social groups each side represents. And most significantly, it is the male sex hormone testosterone that is the primary hormone… Read More


Professor Jordan Peterson is an intellectual leader of our time. He is taking part in a new scientific revolution, a groundbreaking effort to understand the workings of the human mind, culture, and religious worldviews and how they are shaped by evolved psychological adaptations that determine our social structure and philosophy of life. This new scientific… Read More