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submitted 7 months ago by The_Picard_Maneuver to c/[email protected]

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[–] [email protected] 4 points 6 months ago (1 children)

Quite literally. Human and other mammal scent receptors are very sensitive to thiols, sulfur compounds that are frequently found in sources of danger, like rotting corpses, feces, and toxic gas. Skunks evolved their spray to take advantage of this with high concentrations of thiols and compounds that help to adhere to things. It's like an olfactory flashbang.

[–] [email protected] 2 points 6 months ago

That's so fascinating. Thanks for the specifics!