# Lateral Thinking Puzzles. Let's do it again! **URL:** \ **Category:** Thread Games\ **Created:** [October 23, 2019, 9:32pm UTC](https://boards.straightdope.com/t/lateral-thinking-puzzles-lets-do-it-again/842193 "2019-10-23T21:32:35Z")\ **Posts on this page:** 1\ **Showing post:** 4755
**Author:** ![Biotop](https://sea3.discourse-cdn.com/straightdope/user_avatar/boards.straightdope.com/biotop/32/321_2.png) [@Biotop](https://boards.straightdope.com/u/Biotop)\ **Post date:** [September 28, 2021, 12:39pm UTC](https://boards.straightdope.com/t/lateral-thinking-puzzles-lets-do-it-again/842193/4755 "2021-09-28T12:39:18Z")
Did they work in caves? Or mines? You got it. Sometimes the only safe source for light is dead fish. > **[By the light of the fish, or how bioluminescence works](http://nevertoocurious.com/2014/08/28/bioluminescence/)** > > 18th century miners worked in pitch dark caverns. To remedy that, they relied on a natural phenomenon known as bioluminescence. It also involved fish. > **[Miners Used to Use Fish To See in the Dark - Fact Fiend](http://www.factfiend.com/miners-used-use-fish-see-dark/)** > > As weird as it is going to sound, to avoid dying in a fiery explosion, miners in the past used to carry around dead fish to help them see in the dark in relative, but rather smelly safety. No, this isn’t a joke, it’s something that really happened,... --- _[View the full topic](https://boards.straightdope.com/t/lateral-thinking-puzzles-lets-do-it-again/842193)._