13176_29219_scientific_method5
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Man in gray suit places thumb tacks into a map of a urban area. Man in grey suits hands a test-tube to a woman in a black and white pants suit. Men in blue suits make demonstrative hand gestures at each other. Mother and father comfort young daughter who is ill in bed. Bald stocky man in uniform stands up and witness podium and raises his left hand. Large bearded Frenchman writes with a brush on paper, and looks through microscope. Three surgeons in white masks operate on a body.