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@lain @kaia There’s a mark rober vid that came out not too long ago that went over a related subject, which is how cool a tracking dog’s abilities are.. They’re able to isolate a unique scent in a crowd of people, even when multiple scents are present on the object presented to give the scent, and immediately narrow down to the scent they’re supposed to find through a process of elimination using who else is around them in a crowd- and they mentally catalogue this scent in a way that still lets them distinguish the smell even if minor things have changed about it day-to-day, like for example cologne, shampoo, etc. Super interesting.