The Mysteries About True History's podcast is back for season two.

If you're a kid who would love to travel through time to solve cool mysteries,

perplexing puzzles, and tricky riddles,

then this podcast is the perfect audio treat for you.

Every week, join me, Molly, and my best friend Max,

as we take our problem-solving skills to amazing places like ancient Egypt,

ancient Greece, or the Galapagos Islands in 1875 to help out the one and only Charles Darwin.

We never know where we're going to wind up or what we're going to find, which is all part of the fun.

So put on your time traveling shoes and listen as a family.

You can listen to mysteries about true histories

on Apple Podcasts, Spotify, or wherever you listen to podcasts.

Hey there, Who Smarted Plus subscribers? Welcome to another edition of SmartEQs where I, the trusty

narrator, answer questions from you, the SmartyPants listeners. Remember, anyone can submit a question

simply by emailing me at Whosmarted at whosmarted.com. Okay, without further ado, let's start the Smarty queue.

To start us off, Smarty fan Hazel has a question inspired by her one-year-old sister

Francis.

How was the diaper invented?

That question is both a good and stinky one.

Well, the question is good. The diaper can be a little

stinky. But how and when were diapers invented? Well, the precursor to the modern disposable diaper

was invented by Marion Donovan in 1951. It was a reusable plastic diaper with an absorbent insert,

which she called a boater.

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