The cartilage’s amphoteric surface behavior is a physical phenomenon in biological lubrication. However, there is a lack of knowledge on amphoteric phospholipids bilayers and in overcoming friction in cartilage joints. In ...

The article presents the risk areas of dependence in communication of persons with disabilities. In particular, it describes interference with communication and social relations of deaf persons and their sign language ...

Science is not a simple increase of knowledge, but a change in state of mind. This demands a personalized approach to the teaching/learning process, the consideration of new spaces serving to gain information and experiences, ...