A group of scientists from Spain have identified why people are violent to each other.
Thus, the propensity for violence has evolved humanity has a great number of years in the process of evolution. The results of the scientific work of experts published in the journal Nature.
People for a long time thinking about the causes of aggression to their own kind. Before, scientists assumed that the source of wars and conflicts in people is a civilization, and later – human nature. Finally was able to find out the Spanish experts from the University of Madrid. They studied data on mortality among the 137 families of mammals, analyzing more than four million deaths among animals and prehistoric people. University staff tried to figure out what percentage of prematurely dead individuals were eliminated his relatives, and later compared these data for unrelated and related species.
The results of the study showed that Hopo Sapiens 6 times more aggressive than other mammals. In the end, intraspecific violence on average kill one animal out of three hundred, whereas for primitive people this figure was 2%. This could affect the hard living conditions in prehistoric times, which tried to adapt the ancestors of man. Stronger and more aggressive people were more likely to survive than their peaceful counterparts.
