One of the challenges of using artificial intelligence (AI) in medicine is the lack of regulation. This can cause a number of problems, says Professor Justyna Król-Całkowska, head of Department of International and European Law at Lazarski University in Warsaw, member of the Council of Experts at the Ombudsman for Patients' Rights.

Silence is a 'scarce resource', synonymous with the comfort of life, a luxury in the modern civilization of noise, says Dr. Sebastian Bernat, a geographer and professor at the Maria Curie-Skłodowska University. The last Wednesday of April is the International Noise Awareness Day.

Hateful comments are not the default way to communicate online. And fighting against toxic language does not violate freedom of speech, explains linguist Dr. Paweł Trzaskowski. The researcher describes the mechanisms of hate speech and effective ways to reduce this phenomenon.

Every 10th person in Poland has mobility problems. In everyday life, they can be assisted by companion robots that will do shopping or administer medications. Now, scientists from Poland in collaboration with several foreign research centres, are working on a project concerning satellite navigation for a companion robot, which in the future may improve the quality of life of people with limited mobility.

Participation in elections is more influenced by the moment of a given person's life than by the situations their generation has experienced, conclude the researchers conducting the Polish General Election Study at the SWPS University.

A city covered with concrete is convenient for the authorities, easier to clean and cheaper to maintain. But such conditions are 'inhuman', believes the director of the Institute for Ecology of Industrial Areas (IETU), Dr. Marta Pogrzeba.

People spend an average of nearly four hours a day improving their beauty, according to a study on nearly 100,000 people from 93 countries. Among the groups that spend less time on it are men, middle-aged people, people in long-term relationships, people who avoid social media and those who consider themselves moderately attractive.

Excessive expectations of children can expose them to the development of fear of judgement and low self-esteem. On the other hand, parents who expect perfection from their children, also expose themselves to the risk of parental burnout, say researchers from the SWPS University.

Natural selection will take care of low fertility rate. Even if a small proportion of women decide to have children, it will mean that people with a strong need to have children will remain in the gene pool. As a consequence, the trend may change, says Professor Bogusław Pawłowski from the University of Wrocław.