A fun article in Science Daily showed how a minor change in the room’s smell increased both fairness and charitableness. “People are unconsciously fairer and more generous when they are in clean-smelling environments, according to a soon-to-be published study led by a Brigham Young University professor.”

Right now, “Companies often employ heavy-handed interventions to regulate conduct, but they can be costly or oppressive,” says one of the researchers involved in the study. With these findings, better results could be achieved for less than $10 and in less than 10 minutes.Thanks to Eric Drexler for pointing this one out