91丝瓜视频

The Right Chemistry: P.T. Barnum Was a Champion of Critical Thinking

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The Right Chemistry: The Polio Vaccine

Video of Dr Joe Schwarcz on the polio vaccine

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March 4, 2021; "A Dose of Science" with guest Dr. Bruce Lennox

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The Wonders of Polyurethane

Video of Dr Joe Schwarcz on the wonders of polyurethane

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