How high is the price we would pay for justice? [br] [originaltext]A sense of j

A sense of justice and injustice is an evolved moral emotion to signal to others that if exchanges are not fair there will be a price to pay. In the Ultimatum Game, in which one person is given a sum of money to divide with another person — with the stipulation that if the offer is accepted both keep the money, but if the offer is rejected no one gets any money — offers less than 30 percent of the sum are typically rejected. That is, we are willing to pay 30 percent to punish an offender. This is called moralistic punishment.

If you’re feeling cranky, confused or too tired even for sex, blame it on Thomas Alva Edison. We’re all bushed, and it’s all his fault. Humans have been screwing with their body clocks ever since the Wizard of Menlo Park had his very bright idea. Indeed, our classic eight hour-night only dates back to the invention of the light bulb in the late 1800 s.