App that Matches People by Scent

Mobile dating app Schnupfr uses the latest scientific research to match people. It analyzes your scent and the scent of a person who comes as close to you as 20 centimeters (8 inches) or even closer, then checks for major histocompatibility complex (MHC) level of both of you to see if you are genetically compatible and can have children with more effective immune systems.

MHC genes are the most diverse of all genes. They help an organism recognize its own healthy cells, identify pathogens, and reject foreign tissue. The idea that they may also give a distinctive odor, and thereby influence behavior, was first suggested in 1974 by biologist Lewis Thomas.

These findings have been put to use latly as a nice way to bring people together.