No one can yet say with any certainty just how it comes about that one person is right-handed and another left-handed. Equally puzzling are the reasons why left-handedness arose in the first place. It must have happened a very long time ago, because another puzzle is why down through the centuries, all over the world, there has always been a stable left-handed minority of around ten per cent. (p. 9)(The Puzzle of Left-handedness - Rik Smith)
“If you know the enemy and know yourself, you need not fear the result of a hundred battles" (Sun Tzu, The Art of War)
8 December 2014
The Puzzle of Left-handedness
