1) Richard Thaler and George Osborne in the Guardian. U.K. pilot recycling programs to replace fines with rewards are showing results.
2) A new study finds calorie labeling for a hypothetical McDonald’s meal reduces calorie consumption. One key difference from past studies: People aren’t ordering meals for themselves. Parents are ordering meals for their children. Hat tip: Patti Hunter.
3) Crayola’s law says that the number of Crayola colors doubles every 28 years. How much faster do children who color with the original box of crayons finish compared to those with the mega 120-color box? Hat tip: Christopher Daggett.
4) A web-based version of Dustin Hoffman’s mason jars. Hat tip: Elliot Crosby-McCullough.