It's an inviolable rule of the internet that if you provide people with a place to type words in public, chaos will follow close behind. Nowhere is this more true than the Amazon Gold Box forum, one of the internet's more delightful clearinghouses of crazy.
Left-handers aren't very common. In fact , they only represent about 10 percent of the human population. But a new study suggests that the reason lefties are in the minority isn't anything suspect—rather, it boils down to the fact that the human race cooperate more than they compete.