
Left-Handedness Linked to Competitive Edge in One-on-One Showdowns
Italian researchers find left-handed people, especially men, display greater competitiveness (including hypercompetitiveness) in one-on-one contexts, aligning with an evolutionarily stable strategy; dexterity tests didn’t predict competitiveness, and general personality traits were similar across handedness, with men more competitive and women more avoidance-prone.