Altruism among chimpanzees varies depending on status and sex, it is also an individual trait. These are the conclusions drawn from the two-year study of these apes - the closest evolutionary relatives of man - by psychologist Prof. Maciej Trojan from Nicolaus Copernicus University in Toruń.
Participants and witnesses of traffic collisions, as well as those who have lost their loved ones in an accidents, have the chance to receive free psychotherapy from specialists from the Faculty of Psychology of the University of Warsaw. This is the third edition of the TRAKT program.
Two-year-old girls have a richer vocabulary than boys. Children usually learn nouns first: nouns account for about 65% vocabulary of Polish two-year-olds - the Jagiellonian University researchers have shown. Their study also shows that the vocabulary of Polish two-year-olds may be poorer than the vocabulary of their American peers.
After extreme exertion - for example, one hour run until exhaustion - the level of circulating free DNA in the blood dramatically increases. This marker is associated with tumours, inflammations or cell necrosis. Research of scientists from Łódź sheds new light on this issue.
Memory likes to play tricks on us, also when it comes to pain. The pain that feels like a torture first, can be remembered as mild after some time, or quite the opposite - as much stronger. Researchers at the Institute of Psychology of the Jagiellonian University investigate how emotions affect the memory of pain.
The noise coming from, for example, devices in open space, does not always have to make it difficult to work. Sometimes it "blurts out" the sounds of co-workers\' conversations, preventing us from focusing on their content and increasing our level of concentration - according to a study conducted by students of the AGH University of Science and Technology in Kraków.