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ACTIVITY: Threshold Card — Threshold 1 The Big Bang

Increasing complexity is one of Big History’s main themes. That’s because throughout the Universe’s long history, more and more complex things have appeared in some surprising ways. We call these events “thresholds of increasing complexity.” In this course we identify nine major ones. Download a PDF of the Threshold Overview card.
Each threshold follows a consistent pattern of creating greater complexity in the Universe. Download a PDF of Threshold 1: The Big Bang.

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