BBC
Bbc: Science & Nature: Human Body and Mind: What Is Psychology?
This guide offers an overview of the field of psychology. Topics include human behavior, branches of psychology, and what psychology is. Archived.
PBS
Pbs Teachers: Is Love in Our Dna?
Participate in an online poll to discover what features instinctively guide people when choosing a mate. Consider which traits, both physical and social, are "universally" considered attractive to potential mates, and why.
Wikimedia
Wikipedia: Sexual Selection
Wikipedia offers a site on the topic of sexual selection, including an image and a description of one of the most famous types of sexual selection.