Only about 10% of the world's population is left-handed—a intriguing fact rooted in evolutionary and social science.
Collaboration in Society
Scientists point to social behavior as a key factor. In group settings, uniformity in handedness facilitates cooperation. Sharing tools, for instance, becomes seamless when everyone uses the same dominant hand.
The Advantage in Competition
Conversely, competition favors rarity. Right-handers accustomed to facing other right-handers may struggle against a left-hander, giving the latter a surprise edge in combat or sports.
Alternative Perspective
A Dutch researcher offers another view: left-handers may face higher risks for conditions like autism and schizophrenia. Advances in healthcare, they argue, help sustain left-handedness in modern populations.
