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's Smarted Plus Subscribers? Welcome to another edition of SmartEQ's, 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.

Before we begin, a few quick shout-outs to some smarty fans who have written to us on Spotify.

There's Willow and her mom in Qualicum Beach, Lillia in Australia, Maddie, aka Gallinick,

and Julian from Oregon.

Thanks for listening, laughing, and learning to who smarted.

Now, without further ado, let's start the Smarty Q. Smarty listener Kai in Great Barrington, Massachusetts,

asks, why is the ocean salty? Great question, Kai. The salt in the ocean comes from two main sources, dry land and vents in

the seafloor. But how do these two sources make the ocean so salty? Let's start with dry land

and rain. When rain falls over land, it erodes rocks and picks up small amounts of dissolved

minerals like salt. The rainwater is still essentially fresh,

...