Evolutionary Psychology

Human Behavior Social Psychology Cuteness Perception Sexual Attraction Fairness Social Isolation Social Behavior Mate Preferences Social Bonding Fear Responses

Experiments Show Chimps Prefer Crystals, Hinting at Ancient Aesthetic Roots

A peer-reviewed study observed captive apes closely inspecting crystals in controlled tests, paralleling hominin finds without clear utility.

Study: Female Choice Outweighed Male Rivalry in Evolution of Human Penis Size

Study Challenges Idea of Fairness in Animals

Aging Animals Show Decline in Social Connections, Study Reveals

Study Links Human Kissing to Ancestral Ape Grooming Behaviors

Loneliness Linked to Increased Frequency and Intensity of Nightmares