# Halloween and Jank'o'lanterns and why are are pumpkins hollow?

**URL:** <https://boards.straightdope.com/t/halloween-and-jankolanterns-and-why-are-are-pumpkins-hollow/842535>\
**Category:** Factual Questions\
**Created:** [October 27, 2019, 2:32am UTC](https://boards.straightdope.com/t/halloween-and-jankolanterns-and-why-are-are-pumpkins-hollow/842535 "2019-10-27T02:32:34Z")\
**Posts on this page:** 1\
**Page:** 4

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**Author:** ![Darren\_Garrison](https://sea3.discourse-cdn.com/straightdope/user_avatar/boards.straightdope.com/darren_garrison/32/92_2.png) [@Darren\_Garrison](https://boards.straightdope.com/u/Darren_Garrison)\
**Post date:** [November 3, 2019, 1:13pm UTC](https://boards.straightdope.com/t/halloween-and-jankolanterns-and-why-are-are-pumpkins-hollow/842535/62 "2019-11-03T13:13:09Z")

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> [@Colophon](#):
>
> Good find. So basically air but with a little more CO₂ and a little less oxygen?

Seems to be.

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