character: Neil deGrasse Tyson
topic: Astrophysics and Public Outreach
grade: 12
subject: Chemistry
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character: Carl Sagan
topic: The Importance of Science Communication
grade: 12
subject: Chemistry
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character: Bill Nye
topic: Science Education and Advocacy
grade: 12
subject: Chemistry
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character: Stephen Hawking
topic: The Universe and Public Understanding of Science
grade: 12
subject: Chemistry
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