Ideas about social and organic evolution evolve along time. So, Lamarck was the first to present a scientific theory of evolution, even if repudiated after by Darwin with the principle of “natural evolution”. Other thinkers contributed with interesting ideas, such as Weismann, who repudiated so a la mode ideas of the fittest and DeVries raised the question as to whether new species succeed or arrive by gradual accumulation of qualities or by sudden changes (mutations) and he succeed to show by his own experiments that this last case is what happens. Kropotkin proposed another theory of “mutual aid”. According to him the fittest is not the one that is constantly waging a war of extermination against all the others, but the one which cooperate with each other. Kropotkin raises an important question: the influence of class interests on scientific thought…

Thus, when we observe in nature the astounding dolphin-human cooperation, with dolphins helping fishermen in Laguna, Brazil, an activity that is entertained since centuries, it seems that the theory of “natural evolution” faces a serious inconsistency. The problem appears when, instead of widening the application of the theory, the majority of the followers insist in shortening its views…

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