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PBS News Hour

Alan Alda's 'Flame Challenge' Aims to Communicate Science

Clarity, specificity and humor are among the best tools for making kids grasp even simple questions like "What is a flame?" Science correspondent Miles O'Brien talks to actor Alan Alda and scientist Neil deGrasse Tyson about the need to explain science concepts to the public.
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December 5, 2025 - PBS News Hour full episode
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