Men of science often are surrendered of influence of their social surroundings. It particularly determines a kind of their description. We should take care about character of explorers’ relationship with their social environment. This relationship may be then a difficulty for objectively description. On the other side scientific description is not only a “photo” of reality, but also is a special interpretation, helpful in explanation. Sometimes watchful explorer should takes attention to seemingly unimportant, correlated variables. Correlations are not automatically equivalent with causality. Explorer of science should not to be in hurry during formulating his conclusion about any dependence, as long as he will comprehend essence of the problem.