Homo sapiens with a superior sense of smell. Not competitive with a border collie's. Host

May 15, 2017, 12:00 AM

05-13-2017 (Photo:Black & white coated Border Collie with unusual and distinctive black coloured face, illustrative of how variable this breed's markings can be ) http://JohnBatchelorShow.com/contact http://JohnBatchelorShow.com/schedules Twitter: @BatchelorShow

Homo sapiens with a superior sense of smell. Not competitive with a border collie's. Host

"...Q: So what evidence should make us question these early assumptions?

A: A unique study a few years ago calculated that that we could tell a trillion different odors apart. [In another study], researchers laid out a smell trail on a field at [University of California,] Berkeley. They blindfolded undergraduate subjects and gave them earmuffs so they couldn't use any senses other than smell (see video, below). They found the students were perfectly capable of following the trail laid out in the field. The study didn’t test humans and dogs head to head—I think the dogs might win depending on the odor—but what it shows is the limits of human smell tracking haven't really been investigated...."

http://www.sciencemag.org/news/2017/05/your-nose-knows-more-scientists-thought