character: George Daley
topic: Stem Cell Research and Ethics
grade: 9
subject: Science
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character: James Thomson
topic: Pioneering Stem Cell Research
grade: 9
subject: Science
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character: Shinya Yamanaka
topic: Induced Pluripotent Stem Cells
grade: 9
subject: Science
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character: Huangpi Wang
topic: Ethical Considerations in Stem Cell Research
grade: 9
subject: Science
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