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Hi, we've got three stories from Curiosity.com, plus a special guest to help you get

smarter in just a few minutes. I'm Cody Goff.

And I'm Ashley Hamer. Today you'll learn why you're wired to talk louder when you're wearing headphones,

how to cope with a breakup according to science,

and four useless human traits that used to have a purpose.

We'll top off today's episode with a sprinkle of curiosity where Ashley digs into a question

from an awesome listener like you.

That's right.

Today's question comes from Dave who asks, do cockroaches even have a contribution to the ecosystem?

If yes, how? Thanks for your question, Dave. We got in touch

with the Purdue University Entomologist for the answer, so stay tuned to hear her explain.

What's satisfied some curiosity? Have you ever been in one of those situations where you've got

headphones on and you say something and everybody looks at you like why are you

shouting yes have you really of course yeah so this story is actually from our Saturday digest, but you can still find it on

Curiosity.com and on the Curiosity app for Android and iOS.

But there is a scientific reason why you get louder when you're listening to loud

music in your headphones, and it's the same reason you get louder when you're listening to loud music in your headphones,

...