For generations, families all over the world have attended circuses.

Circuses were a collection of animals, acrobats, clowns, and other exotic oddities.

In an era before television and the internet, circuses were a major form of entertainment for many people.

Over time, however, circuses have changed and evolved into something very different in the 21st century.

Learn more about circuses, how they came about and how they've changed on this episode of

Everything Everywhere Daily. This episode is sponsored by Butcher Box. Doing a daily podcast means spending a lot of time sitting on my computer, researching, and recording.

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When you listen to nobody listens to Paula Poundstone, the comedy podcast, you learn stuff.

I've been learning to throw a boomerang, because this is the kind of thing that really gets the listeners engaged you know.

Interviews with people who will make you smarter.

Does the amount that you learn protect you from cognitive decline?

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