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theythatspeak OP t1_j1ca875 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

Dogs have around 300 million scent receptors, which is why they have such an acute sense of smell. We smell more scents, but less acutely.

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