A study from the 1960s opens the doors to the modern study of nonverbal communication; why nonverbal communication matters so much; how it interacts with verbal communication to reemphasize or deemphasize the message.

The biological drives, such as territorialism, that influence nonverbal reactions; the three levels of territories and see how they affect reactions; understanding this is an inherent reaction; it can help reduce social conflicts.

Signals that come from colors, makeup and scent; the evolution of why certain colors or smells still send subtle and often unconscious messages; how the use of space, architecture, lighting can all have an impact on feelings and reactions.

How to predict behavior and personality from the body or face; what makes someone's face attractive; the myths and facts about how age-old cultural references in seeking mates and partners have evolved into snap judgments about personality types.

The history of how nonverbal communication has evolved; how humans originally interact; how biological history suggests that the ability to communicate has been limited; how to send messages to friends and foes was through body language.

A closer look at facial expressions; how Darwin and some contemporary psychologists study facial and body expressions; certain expressions of emotion may be universal across cultures; despite rules that differ from culture to culture.