Hi, you're about to get smarter in just a few minutes with Curiosity Daily from Discovery.

Time flies when you're learning super cool stuff. I'm Nate.

And I'm Callie. If you're dropping in for the first time,

welcome to curiosity where we aim to blow your mind by helping you to grow your mind.

If you're a loyal listener, welcome back. Today you'll learn about the good, the bad, and the ugly of shark repellents, how humans thirst

for groundwater is literally changing the tilt of the earth, and how hairy moles might offer

a clue to fighting hair loss.

But guys, first, can we celebrate that this is our 200th episode of Curiosity Daily?

I can hardly believe that.

It's really cool and exciting, so thank you very much to all of our loyal

listeners.

This would not be possible without you.

Now, without further ado, let's satisfy some curiosity.

Here's a scene for you to imagine. You're in the woods on a hike and suddenly you start getting bitten by mosquitoes.

What are you going to do? I mean pull out the bugs for it obviously.

All right now imagine that instead of the woods you're in the ocean and instead of

mosquitoes it's sharks and there's no boats anywhere to be found.

Wow you took that to a dark place real fast.

Oh, this is the scenario that a lot of new companies are trying to get you to imagine

so they can sell you all new handy-dandy shark repellent.

You are talking about shark repellent during shark week. How dare you? I know I know the good news is that

Shark attacks are actually incredibly rare. According to the Florida Museum of Natural History's

...