Dogs may have domesticated themselves because they liked snacks, model suggests

A study suggests dogs may have domesticated themselves seeking consistent food from humans, supporting the self-domestication theory with a new model statistically validating natural selection as a plausible mechanism.

• Dogs may have self-domesticated by eating human scraps.
• New study supports self-domestication with a model.
• Self-domestication possible through natural selection.
• Wolves chose humans for steady food supply.
• Model considers timelines and mate choices.