The desire to help extended family has a rather mysterious nature. After all, to explain why we wish to rescue a person, who had never seen and unlikely to see difficult.
Experts from the University of Utah due to the method of mathematical modeling was attempted to understand the issue of helping distant relatives. As it turned out, the nobility in most cases, hiding the feeling of cold calculation.
According to the survey, people are prone to selfless help only in the presence of potential benefits from a positive evaluation of others to material profit.
Interesting another fact. Scientists noticed people helping distant relatives on grant terms often have a large family.