Science Diction: The Origin Of The Petri Dish | WAMU 88.5 - American University Radio
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Science Diction: The Origin Of The Petri Dish

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In 1887, Julius Petri invented a simple pair of nesting glass dishes, ideal for keeping specimens of growing bacteria sterile--the 'Petri dish.' Science historian Howard Markel recounts the history of this ubiquitous lab supply, and the serendipitous discovery of the stuff in it, agar.
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