SHOW / EPISODE

Scientists Invented Smart Underwear to Track Farts

13m | Sep 2, 2026

What If We've Been Counting Farts Wrong Our Entire Lives?

For years, scientists believed the average person passes gas about 14 times per day. It turns out that number may have been dramatically underestimated.

In this bonus episode, Shea dives into a wonderfully bizarre study where researchers developed wearable "smart underwear" capable of detecting intestinal gas. The device allowed scientists to measure real-world gas production more accurately than ever before, and the findings were both surprising and hilarious.

But that's only half the story.

Once we're done discussing wearable fart technology, we head to the ocean where a whale's gas reportedly created sounds that were mistaken for a possible underwater security threat. Because apparently even military intelligence isn't immune to the power of a well-timed toot.

In This Episode

  • The surprising reason the "14 farts per day" estimate may be wrong
  • How researchers built wearable gas-detecting underwear
  • Why self-reporting isn't always reliable science
  • The Human Flatus Atlas project and what researchers hope to learn
  • The medical importance of understanding normal gas production
  • The whale fart that allegedly sounded suspiciously like a military threat
  • Why some of the funniest scientific studies can still produce valuable discoveries

Fact, Folklore, or Speculation?

Fact: Researchers developed wearable technology to measure intestinal gas production in real-world settings and found people may pass gas far more often than previously estimated.

Fact: Scientists are using this data to better understand digestion, microbiomes, and gastrointestinal health.

Reported Incident: Unusual underwater sounds investigated as a potential security concern were later attributed to a whale.

Universal Truth: Farts have apparently been funny for thousands of years.

Coming Soon: Klondike Kate Live!

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Rainy Day Rabbit Holes is heading to the stage to explore the fascinating history, colorful characters, and larger-than-life legends surrounding the iconic Klondike Kate. Expect laughs, fascinating stories, audience interaction, and plenty of unexpected rabbit holes along the way.

For show details, updates, tickets, and upcoming events, visit:

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Related Episodes

If bizarre science, strange human behavior, and wonderfully weird discoveries are your thing, check out:

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