Do you ever feel like you and a friend are speaking past each other?

Or that you're not sure how to break out of a rut?

I'm Shankar Vedantam, host of the podcast Hidden Brain.

We explore questions that keep you up at night

and provide answers that are grounded in rigorous science.

Join us each week to explore your Hidden Brain.

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including Hands-Free Listening Powered by Alexa on all Apple, Android, and Echo devices.

Hey, Smarty Pants. See if you can guess what board game I'm playing.

First, I'm gonna roll.

Ten. Now, I have to decide which direction I want to move.

Should I go to the dining room or the kitchen?

Let's try the kitchen. Why? Because I think it was Colonel Mustard in the kitchen with...

Hmm, not sure. What about you, Smarty Pants? Any idea which board game I'm playing?

Do you need another... clue?

I bet most of you are on to me, and know that I'm playing the classic board game, Clue,

which has sold over 150 million copies worldwide since being invented in the 1940s.

But while millions of people, and possibly even you, have enjoyed playing Clue for the past eight decades,

how much do you really know about this mystery game?

...