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Ten thousand years ago, a revolution broke out. In the Near East; then in China; and then in Central America and the Andes, food began to be produced. A new Stone Age began, the Neolithic, in which the economy changed, we were no longer dependent on the uncertain outcome of hunting and gathering, technology, spectacular experiments in genetic engineering, demography and society began. Great migratory processes began, which would change the skin color and languages of Europeans.