Big Bang produced equal amounts of matter and antimatter which should have annihilated each other leaving behind an empty universe. However, matter survived and dominates the universe while antimatter vanished.
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One of key milestones in the story of human civilisation is development of a system of writing based on symbols representing sounds of a language. #Alphabet #AlphabeticWriting #ideographs #inscription #logographs #pictographs #Symbols #Writing
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