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The original was posted on /r/interestingasfuck by /u/throwaway16830261 on 2023-12-03 04:32:54.

Original Title: Cicadas Are So Loud, Fiber Optic Cables Can ‘Hear’ Them – “In 2021, scientists experimenting with fiber optics picked up a strange signal: the cacophony of cicadas. It could lead to a new way of monitoring insects.”