PSA is very sensitive in detecting any recurrence of cancer. That's because only prostate cells make PSA -- so if it goes up after a radical prostatectomy, it means prostate cells are still present somewhere.
Aboriginal art is art made by indigenous Australian people. It includes work made in many different ways including painting on leaves, wood carving, rock carving, sculpting, ceremonial clothing and sand painting.Aboriginal art is closely linked to religious ceremonies or rituals.It is an important part of the world's oldest continuous cultural tradition, based on totems and the Dreaming. All the designs, painted or drawn, have a story behind them. Symbols are used in aboriginal art, to show different things.While the meaning of these symbols are often shared, they can change meaning within the same piece, and they can be different between different groups. Aboriginal art is a language in itself, communicating through beautiful patterns.boriginal art is closely linked to religious ceremonies or rituals. It is an important part of the world's oldest continuous cultural tradition, based on totems and the Dreaming.
Most Aboriginal Dreaming or Creation stories show that Aboriginal people have always been in Australia and came from the land itself. Some researchers have suggested that Australia could have been the cradle of civilisation.t was spoken, sung, danced, painted and carved. Some Dreaming stories explain the origins of human life on Earth. Often these have been called Creation stories as they are concerned with the creation of human beings and of life in general.