There are two basic types of glass which are most commonly used, and other specific features for specific uses are. The borosilicate glass is hard, heavy metal free and very resistant to thermal shock, corrosion and alkaline. It is primarily used when they go to make sudden changes file in ... Views: 822
In his desire to reach ever further in the investigation of the nature of what the limits of their sensory organs imposed, the man has built many instruments that have allowed access where the senses could not penetrate.
Just as the telescope opened mankind the door of the infinitely large, ... Views: 1847
Chondrosarcoma: Chondrosarcoma is a rare malignant tumor of slow growth. It is more common in the thoracic spine, although it is found in all vertebral levels. The tumor may destroy the vertebrae. The average age of presentation is 45 years and occurs more frequently in men than women. ... Views: 712
Bone cancer is caused by a problem with the bone cells. More than 2.000 people are diagnosed in the United States each year with a bone tumor. Bone tumors in children are common and most adolescents are less common in older adults. Cancer that affects bones in older adults is more the result of ... Views: 798
For five decades, the Humanistic Psychology has penetrated very significantly in academic circles, both undergraduate and graduate-level theoretical and practical level. First it was more like protest and alternative classics of the two currents in psychology, psychoanalysis and behaviorism, ... Views: 879
The human body produces glucosamine which makes it a natural substance. Physiological functions of joints are to stimulate the production of substances called glycosaminoglycans (structural components of cartilage ) as well as promote the incorporation of sulphur (element we get from food) in ... Views: 1470