A favorable scent goes a long way. Want to boost your mood or stir up old memories? Try using your nose. And, most important, scent can even drive one to romantic distraction. Just think about your partner's pajamas. Indeed, the nose can suss out something as complex as sexual compatibility.
American culture has long been obsessed with body odor—and removing any trace of it. But body odor is an important component of our social interactions and can even trump the information received from vision or hearing.
Imagine you found out that the scrawny little plant inhabiting your back yard, the one whose value you’ve questioned so much that you’re always tempted to mow it over, was a continuously living organism millions of years old—a real relic of deep time!