Author Toni Bernhard, who is house-bound and often bed-bound, says she's learned to cultivate joy through others. Courtesy of Wisdom Publications hide caption

itoggle caption Courtesy of Wisdom Publications

Grandmaster Bobby Fischer, pictured above in 1971 at age 28, is considered to have been the world's most brilliant chess player. In his new Fischer biography, Endgame, Frank Brady writes that the chess prodigy was a man of paradox: "Bobby was secretive, yet candid; generous, yet parsimonious; naive, yet well informed; cruel, yet kind; religious, yet heretical. His games were filled with charm and beauty and significance. His outrageous pronouncements were filled with cruelty and prejudice and hate." /AP hide caption

itoggle caption /AP

Brad Maynard of the Chicago Bears punts the ball against the New York Jets on Dec. 26 at Soldier Field in Chicago. The authors of Scorecasting say statistics show that running a play on fourth down instead of punting can be more effective at getting points, contrary to common belief. Jonathan Daniel/Getty Images Sport hide caption

itoggle caption Jonathan Daniel/Getty Images Sport