The joker is an obscure and seemingly useless addition to a deck of modern playing card, but originally, it was a powerful card. Discover the history of the joker card -- and how the modern deck took shape -- in this podcast from HowStuffWorks.com.
Welcome to the Brain Training Podcast, the daily audio workout for your head.
In this podcast we have two games for you, each with three rounds which get progressively harder.
To enjoy the full experience, relax, and avoid distractions whilst you listen.
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