Photo Credit: Courtesy of 3DStockPhoto (
wax image)
It's actually about earwax, and the smell of said earwax. ... “For instance: White men have more volatile organic compounds in their earwax than Asian men.” And, as Prokop-Prigge explains in this video for the
Monell Center, a person's earwax odor is so unique that you can identify people by its smell.