This podcast episode explores the discomfort associated with handshakes and discusses the potential alternatives to this traditional greeting. The speakers examine the historical significance of handshakes and question their relevance in a world where communicable diseases are a concern. They discuss the need for collective action to shape societal norms and propose ideas for changing the social tradition of handshaking, such as using fake rubber hands or carrying symbols for greeting. The podcast also delves into the paradox of uncertainty, highlighting the heightened discomfort people feel despite uncertainty being a constant part of the human condition. The speakers analyze the impact of uncertainty on decision-making and well-being and explore the role of synchrony and collective action in coping with uncertainty. They also discuss the distinction between risk and uncertainty and the impact of secularization on human comfort with uncertainty. The long-term impact of uncertainty on trust is examined, emphasizing the importance of positive surprises in breaking the monotony of a predictable life. The episode concludes by discussing the growth of religiously unaffiliated people and the uncertain future of secularity.