Do we choose friends from among people similar to ourselves? Or is this selection based on rejecting people who are different from us? Or maybe we use different mechanisms in different situations? A sociologist will investigate this issue in an experiment.
The heat is tiring, because the body puts all its energy into maintaining a constant body temperature. Fatigue, which discourages us from physical effort, protects us against additional elevation of blood temperature and saves valuable micronutrients - says physiologist Prof. Krystyna Koziec.
Extroverts with a high level of intelligence are most likely to lie. In the study of Polish researchers they most often chose a strategy, in which they used deception to achieve their goals. Introverts (regardless of the level of intelligence) and extroverts with lower IQ used this strategy less often.