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

I'm Cody Gough.

And I'm Ashley Hamer.

Today you learn about what rain is like on other planets,

why it took Americans a long time to start using forks with help from

Jason Fyfer, and whether it's more important to sleep or exercise.

Let's exercise some curiosity. Earth is a special place and the fact that it rains liquid water here is actually a big part of that.

But just because Earth is the only planet with abundant water doesn't mean it's the only place where it rains.

Rain is more common in the solar system than you might think, although sometimes it just looks a bit different.

Let's talk about how.

Most worlds in our solar system have precipitation,

and they don't let their lack of water get in the way.

Take Venus, which gives the phrase acid rain a whole new meaning.

There, sulfuric acid condenses in the clouds and falls down as rain.

But because Venus is so hot, this rain never reaches the surface.

Instead, it evaporates in the intense heat of the lower atmosphere.

Saturn's largest moon, Titan, has seasons that come with rain.

NASA's Cassini spacecraft spotted liquid methane raining on Titan's North Pole when it passed

by.

The weird thing is that clouds don't form on Titan, so the jury's still out on how exactly methane cycles work on the massive moon.

Mars is known to have water, but the water we know about is frozen. So instead it snows frozen carbon dioxide,

also known as dry ice. Scientists know this because instruments on the satellite known as the Mars Reconnaissance

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