Subnostr

Today I learned 2y ago

TIL That Leeches used to be used to predict weather events.

https://en.wikipedia.org/wiki/Tempest_prognosticator#:~:text=The%20twelve%20leeches%20are%20kept,times%20the%20bell%20is%20struck.

https://www.reddit.com/r/todayilearned/comments/155lxmf/til_that_leeches_used_to_be_used_to_predict/

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