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Behavioral Psychology

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Bipedalism and Brain Expansion Explain Why Most Humans Are Right‑Handed

A cross-species analysis finds upright walking followed by brain growth drove the shift to a population-level right-hand bias.

Repetitive Meals Linked to Slightly Greater Short-Term Weight Loss, Study Finds

Agouti Gene Linked to Shifts in Paternal Care in Mice

Nature Study Maps How Hunger and Hormones Trigger Pup-Directed Aggression in Mice

Virtual Reality Triggers Innate Immunity and Launches Vaccine Priming Trials

Teen Drivers Spend More Than One-Fifth of Trip Glancing at Phones, Study Shows

Chimpanzees Catch Yawns From Android Head