Quote by David Buss
"Laughter has deep roots in our primate past, serving functions we are only beginning to understand."
More from David Buss
"Evolution is not just about survival of the fittest; it's about differential reproduction of the fittest."
"Jealousy is a powerful emotion that has shaped human behavior throughout history."
"Sexual jealousy is a universal human experience rooted in our evolutionary past."
"Understanding our evolutionary psychology helps us understand human nature."