It Happened
Why do we count the way we do? And how decided that was how we should do it? From ancient Sumer to the French Revolution, people have been trying to figure out the best way to keep track of the world. The Mystery of Science CHEMISTRY [https://themysteryofscience.com/product-category/chemistry/] out now! The Mystery of Science Facebook PAGE [https://www.facebook.com/mysteryofsciencebooks] It Happened Show page HERE [https://www.facebook.com/ItHappenedPodcast/]
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