According to statistics, good people are almost always smarter than evil. Scientists-neuroscientists from the University of Chicago conducted a study involving 200 people. Volunteers were divided into groups, conducted a survey and several tests on intelligence.
It turned out that spontaneous aggression and anger towards others, have a connection with a low level of intelligence. Kindness, on the contrary, improves the performance of the brain.
It is interesting and different. The kind of people the size of the brain much more. Note that the results of the study are interim in nature. The data obtained are rather contradictory and can be reviewed shortly.
The fact is that to trace the connection between the two dissimilar factors sometimes is very difficult. As a result, each study that prove something, there is controldown.