Possible discoveries could include finding flowers, bugs, colorful rocks, and searching for specific smells or textures. (mommyscene.com)
Women were generally good at matching specific smells to the correct person (i.e., they recognized the unique smells of their partners, male friends, and female friends). (scienceofrelationships.com)
Most receptors can detect more than one smell, but one, called OR7D4, enables us to detect a very specific smell called androstenone, which is produced by pigs and is found in boar meat. (sciencedaily.com)