Researchers make Sudoku puzzles less puzzling

For anyone who has ever struggled while attempting to solve a Sudoku puzzle, University of Notre Dame researcher Zoltan Toroczkai and Notre Dame postdoctoral researcher Maria Ercsey-Ravaz are riding to the rescue. They can ...

Study shows official measures of American poverty off-base

(Phys.org) -- For more than 45 years, the poor in this country have been identified by the U.S. Census Bureau’s Official Poverty Measure — a tool that determines America’s poverty rate based on pretax money ...

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