[Machine Translation] Conspiracy theories that outright reject established scientific and historical views and cast doubt on experts such as the flat Earth theory, climate change denial, Holocaust denial, and the anti-vaccine movement are spreading worldwide. Science denialism undermines the very foundations of the institutions that support truth" and correctness." While these claims may seem preposterous, they are backed by evidence," making them surprisingly difficult to refute. Why do people seeking the truth become so deeply entangled in these denialist movements? What is the true nature of the anxiety and distrust swirling through modern society? We will examine the background of these phenomena and reflect on the foundations of our knowledge, which are now being severely shaken.