Homo Sapiens
Hominids evolved and developed for millions of years prior to the arrival of Homo sapiens on the Earth. This evolution was slow. The development of a new skill, or tool often took thousands of years. With the arrival of Homo sapiens, this all changed. The speed of advancements increased dramatically. Instead of thousands of years, great progress was made in hundreds or even dozens of years.

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Growing older is not upsetting; being perceived as old is.
Kenny Rogers
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The first public mention of a name for the United States'' capital was in a letter from General George Washington in 1791, who referred to it as Federal City.
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