Why laughter is so contagious - Ideas

What this episode covers

If you want to hear what a laughing rat sounds like this podcast is for you. From why the sound of laughter triggers us to join in, to how a laughing yoga class starts, to the difference between AHA and HAHA in science, IDEAS contributor Peter Brown takes us on a joyride to reveal the mystery of laugher. Will this podcast make you laugh? Most likely. But it's better than catching a cold. *This episode originally aired on Nov. 4, 2020.

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Frequently Asked Questions

How long is this episode of Ideas?

This episode is 54 minutes long.

When was this Ideas episode published?

This episode was published on May 18, 2026.

What is this episode about?

If you want to hear what a laughing rat sounds like this podcast is for you. From why the sound of laughter triggers us to join in, to how a laughing yoga class starts, to the difference between AHA and HAHA in science, IDEAS contributor Peter Brown...

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Yes, you can download this episode by clicking the download button on the episode player, or subscribe to the podcast in your preferred podcast app for automatic downloads.