GOP Sen. Jim Justice sued by federal government over $5 million in back taxes Judge Plans to Force Sale of Nicki Minaj's $20 ...

Puzzled about what holiday gift to give this year? The City of Elk Grove is unveiling a new item just in time for the busy ...

Puzzled about what holiday gift to give this year? The City of Elk Grove is unveiling a new item just in time for the busy ...

As avid puzzlers know full well, the humble jigsaw puzzle is a thing of beauty in multiple ways. Not only are jigsaws an absorbing time sink, but multiple studies have demonstrated they are good for ...

Abstract: This paper introduces new types of square-piece jigsaw puzzles: those for which the orientation of each jigsaw piece is unknown. We propose a tree-based reassembly that greedily merges ...