BrainStuff Classics: Why Are Stop Signs Red?
Odcinek 4 min 44s

BrainStuff Classics: Why Are Stop Signs Red?

Z BrainStuff iHeartPodcasts

Stop signs were always the red octagons we know today -- so how was the color chosen, and why has it stuck? Learn about the history and psychology of red traffic signals in this classic episode of BrainStuff.

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