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For ages men had used sticks to club and spear each other—Anaximander of Miletus used the stick to measure time.
For ages men had used sticks to club and spear each other—Anaximander of Miletus used the stick to measure time.
Carl Edward Sagan was an American astronomer, planetary scientist and science communicator. Initially an assistant professor at Harvard, Sagan later moved to Cornell, where he was the David Duncan Pro...
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