Tampons glow under UV light when sewage or detergent whiteners are absorbed. Scientists used them to identify contaminated rivers and streams.
Glow-in-the dark tampons could help make our rivers cleaner - BBC News
Glow-in-the-dark tampons help scientists spot river sewage
How Glow-in-the-Dark Tampons Can Track Pollution
Public health, environment at risk as Vancouver races to climate-proof its sewers - Tri-City News
Glow-in-the-Dark Tampons Track Sewage Pollution in Rivers
Glowing Tampons Help Detect Sewage Leaks
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TIL it is not recommended to flush a scorpion down a toilet, as scorpions can survive being under the water hence they may come back out that same toilet or crawl up
We Dipped Tampons Into Rivers For Science
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Glow-in-the-Dark Tampons Track Sewage Pollution in Rivers
Tampon tests' could be used to track sewage in rivers, Environment
Glow-in-the-dark TAMPONS shed light on water pollution