Tag Archives: Isuri Upeksha Wimalasiri

Left-handedness: is it the winner’s curse?

Isuri Wimalasiri Kandawela Estate, Ratmalana, Sri Lanka   Writing left-handed Most human beings, some 85% to 95%, are right-handed, and the remainder consists mainly of left-handers and a negligibly small number of ambidextrous people. Hand orientation is decided during intrauterine life, but if a child shows hand preference before the age of eighteen months this it […]