# The old "finger-in-the-soda" trick...

**URL:** https://boards.straightdope.com/t/the-old-finger-in-the-soda-trick/112183
**Category:** Factual Questions
**Created:** [June 3, 2002, 4:23pm UTC](https://boards.straightdope.com/t/the-old-finger-in-the-soda-trick/112183 "2002-06-03T16:23:40Z")
**Posts on this page:** 2
**Page:** 1

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### Author: ![Superdude](https://sea3.discourse-cdn.com/straightdope/user_avatar/boards.straightdope.com/superdude/32/13450_2.png) [@Superdude](https://boards.straightdope.com/u/Superdude)
#### Post date: [June 3, 2002, 4:23pm UTC](https://boards.straightdope.com/t/the-old-finger-in-the-soda-trick/112183/1 "2002-06-03T16:23:40Z")

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Why does the fizz in soda go down quicker when you put your finger in it?

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### Author: ![Reeder](https://avatars.discourse-cdn.com/v4/letter/r/c6cbf5/32.png) [@Reeder](https://boards.straightdope.com/u/Reeder)
#### Post date: [June 3, 2002, 4:33pm UTC](https://boards.straightdope.com/t/the-old-finger-in-the-soda-trick/112183/2 "2002-06-03T16:33:23Z")

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Probably because the oils from your skin cover the surface.