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When I think about my own experience in the classroom , I know that in some respects I resemble the teacher I was years ago when I began as a graduate teaching assistant . Now , I spend my time teaching students about human anatomy and when not in the classroom , I can be found in my laboratory trying to understand why that quiet efficiency goes awry in diseases such as cancer , in injuries such as spinal cord damage , and during development such as birth defects . For those invested in the space , I suggest you follow the news carefully and keep it in perspective . It was there in the beginning , it 's there today , and it 's there tomorrow . In the beginning , it was a constant question in my mind : " Why is n't every virologist and every hematologist and every infectious disease expert stopping whatever they are doing and working on this disease ? If anyone else has reason to be confident in the flesh , I have more : circumcised on the eighth day , a member of the people of Israel , of the tribe of Benjamin , a Hebrew born of Hebrews ; as to the law , a Pharisee ; as to zeal , a persecutor of the church ; as to righteousness under the law , blameless . In the classroom , I often begin a new subject with an inquiry-based activity to give students a chance to explore materials on their own . There was no impossibility , no improbability even , in the statement made by the newspaper correspondent ; yet as Richard thought it over in the night , he could not but regard it as singular that Mr. Keene should be the man to make public such a piece of information so very opportunely .