Would you accept a gamble that offers a 10-percent chance to win $95 and a 90-percent chance to lose $5? The great majority of people in the study rejected this proposition as a loser. Yet, a bit later, the same individuals were asked this question: Would you pay $5 to participate in a lottery that offers a 10-percent chance to win $100 and a 90-percent chance to win nothing? —David P. Barash —Unreason’s Seductive Charms  (Chronicle)