As sunlight passes through the atmosphere, particles in the air scatter blue light more efficiently than any other color in the light spectrum, creating a blue sky. Learn more about the sky and light in this Brainstuff podcast.
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How Did Napoleon I, the Emperor of the French, Rise and Fall?
15:08

BrainStuff Classics: How Did Alchemy Create Chemistry?
07:11

How Did Sundown Towns Say the Quiet Part Out Loud?
11:35