This seemed pretty conclusive science: ```For example, Laska notes, the total number of odorants for which dogs have an established, lowest detectable threshol

This seemed pretty conclusive science: ```For example, Laska notes, the total number of odorants for which dogs have an established, lowest detectable threshold level is 15. Humans actually have a lower threshold for five of those. “Those five odorants are components of fruit or flower odors,” he says. “For a carnivore like a dog those odorants are behaviorally not as relevant, so there was no evolutionary pressure to make a dog's nose extremely sensitive to fruit and flower odors.”```