December 20 Skepticism
December 20 Skepticism Day, a date dedicated to honoring the renowned scientist Carl Sagan, defender of philosophical skepticism. Skepticism is a current of thought that expresses doubt about the existence of an objective reality, often associated with agnosticism and nihilism. This view stands out in a context where old paradigms are collapsing and new ideals have not yet taken hold. Skepticism emerged in ancient Greece, with Pyrrho being one of its main representatives, questioning absolute truths and emphasizing doubt. Carl Sagan, an astrobiologist and science communicator, is recognized for his search for answers about the cosmos and extraterrestrial life, promoting critical thinking and challenging unfounded beliefs. World Skepticism Day highlights the importance of healthy doubt as a means of improving critical reasoning.
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