We trust them to find drugs in schools, to track down missing people and to sniff out explosives in public places. But it turns out, dogs may not have as much of an olfactory advantage over humans as previously thought. A new review in Science disrupts a theory held for centuries that humans' sense of smell, well, stinks. "The idea that human smell is impoverished compared to other mammals is a 19th-century myth," says the researcher.
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Key Facts In This Video
Smelling is an essential part of your genes. 00:42
People rate memories triggered by smell as more emotional than by sight or sound. 02:17
Smells can occur in the womb before we're born. 02:41
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Written by Haley Otman May 22, 2017
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