social interaction

We define a person as intelligent when they are sensitive in many different aspects of life, better grasping information.

Compared to human ancestors, 'smart people' have bigger brains - a mystery that scientists have always wanted to explore. According to researchers in Ireland and Scotland, the

Surveys by scientists from the University of Pennsylvania (USA) showed that when properly farmed, pigs appear to be quite happy and positive, not only stubborn as many people often