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Why Though?

Why Though?

By: Chad Peterson
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Explaining the whys of every day life

Chad Peterson Social Sciences
Episodes
  • Why Though... Are Traffic Lights Red, Yellow, and Green

    Why Though... Are Traffic Lights Red, Yellow, and Green
    May 6 2026

    Why are traffic lights red, yellow, and green—and why does it actually matter?

    In this episode of Why Though?, we break down the real reason behind traffic light colors, from early railroad systems to modern-day psychology and science. It’s not random—it’s a system designed to control how we think and react.

    Listen now and find out why something you see every day works the way it does.

    Everything has a reason… but why though?
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    8 mins
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