Why say "please" and "thank you?" It turns out there's a lot more to it than just having good manners.
In this edition of Two Guys on Your Head, and talk about the psychology and purpose of politeness.
Each week on Two Guys on Your Head, Dr. Art Markman and Dr. Bob Duke, explore different aspects of human behavior and the brain.
Why Being Polite Is About a Lot More Than Manners
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