This is for all the south-paws in our lives. And yes, left-handedness actually runs in my family.
Today, about one-tenth of the world’s population are southpaws. Why are such a small proportion of people left-handed
-- and why does the trait exist in the first place? Daniel M. Abrams
investigates how the uneven ratio of lefties and righties gives insight
into a balance between competitive and cooperative pressures on human