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Made at the start of the 15th century in France , it appears to be two scrolls of parchment , each of which is wound on a wooden spindle and placed in a case . We make enormous advances in our understanding of the structure and workings of individual brain regions , we are beginning to see how the brain controls behavior and we can start to investigate one of the most profound puzzles of science , the question of human consciousness . This course is suitable for graduate students of pharmacy , toxicology , pharmacology , environmental science , biochemistry , pathology , neuroscience , and medical biophysics . For the first time the statistics revealed that change quite starkly with half of us living in what were once called conventional households of mum , dad and the kids . " We want to expose high school students to the rewards of journalism , and perhaps inspire some of them to seek careers in our profession , " said Des Moines Editor Dennis Ryerson .