Tall or short? Thick or thin? Many factors affect arm, leg size

For over 60 years, scientists have theorized that a person’s body shape and size could be influenced by the climate of where they live. Now a new study suggests there’s more to the equation. The paper is among the first to document how evolutionary selection has shaped variation in human limbs across the globe….

For over 60 years, scientists have theorized that a person’s body shape and size could be influenced by the climate of where they live. Now a new study suggests there’s more to the equation. The paper is among the first to document how evolutionary selection has shaped variation in human limbs across the globe….