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This is important to see diseases and bacteria cells up close to discover new diseases and cures.
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He took pus from cowpox and put it into a boy's open wound, therefor making him immune to smallpox.
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Joseph Lister insisted on the use of carbolic soap to clean and disinfect hands and tools.
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A list shows items. A timeline shows sequence.
Use Timetoast to make dates, milestones, and turning points easier to understand in a clear visual format. Timetoast is a timeline maker for work, school, research, and stories.