The world hasn’t become less smelly — we’ve just lost our nasal knowledge

Big Think ·
Wellness & Longevity United States

Air, land, and sea. Our world is characterized by a proliferating variety of uncertain scents. Yet our noses are ill-equipped to discern between them. Pollution, pandemics, and poverty have conspired to reduce our sensitivity. Some gases, such as the rotten-egg stink of hydrogen sulfide emitted by industries and waste sites, induce a selective loss of smell. These substances are most dangerous…

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