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weavebot t1_j1cdqk4 wrote

Reply to comment by Plonsky2 in TIL The human nose can detect over 1 trillion different scents? This is because the human nose contains around 400 different types of scent receptors, which allow us to distinguish between a wide range of smells. by theythatspeak

Humans are actually ridiculously good at smelling petrichor, that earthy smell before it rains. We're better at detecting that smell than sharks are at detecting blood in water. Why, I have no idea.

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