Seeking a New Lens to Study Same-Sex Behavior in Animals - The New York(02)

Seeking a New Lens to Study Same-Sex Behavior in Animals - The New York(02)

Image gallery: Two Humans Having Sex

A Brief History of Human Sex Live Science Same-Sex Behavior Evolved in Many Mammals to Reduce Conflict, Study Seeking a New Lens to Study Same-Sex Behavior in Animals - The New York