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For Scientific American Science quickly, I'm Rachel Phelpen. You know that feeling when you just can't get a song out of your head, just a short part of it playing over and over?

Right now, my brain is chewing on the Muppet Show theme because I just watched a live stream charity event where a bunch of my favorite comedians, including some from Dropout,

which longtime listeners know I'm a huge fan of, did a onstage reading of The Muppet Show.

So right now it's just, you know, it's time to play the music. It's time to light the lights over

and over again. So thanks for that, folks. A lot of people call those

annoying little ditties earworms, fragments of songs that crawl into your mind and just don't

want to leave. And scientists have actually done quite a bit of research to figure out why

some tunes wriggle their way into our heads better than others. You've probably dealt with your

own share of earworms. In fact, in a few previous episodes, I asked all of you to send in some

of your favorite or most infuriating examples, and a whole bunch of you were kind enough to sing

into your phones for us. Here's Carrie from New Orleans. I have had this airwarn in my head for literally at least 20 years before I go to bed at night.

Whitney Houston.

Hey, I want to dance with somebody.

I want to feel the heat with somebody.

Yeah, I want to dance with somebody.

With somebody who loves me.

And a listener named John shared this classic.

...