Sometimes when flying over the middle states, you might see something like this:

Some of the more comedic then say “Look! Crop Circles!” Well, yes, they are crops, and they are in circles, but these aren’t made of aliens. If you got down to the ground to view them close up, you’d see something like this:

So, how does that make the green circles? I’ve wanted to know more, and conveniently Destin at SmarterEveryDay just made this video that explains it really well:

Thanks for explaining all that Destin!