Most ten-year-olds can probably manage a jigsaw puzzle with 456 pieces. But, faced with the infinitely more difficult challenge of solving a jigsaw puzzle with as many pieces in three dimensions, the ...
MANILA, Philippines — My sister used to dislike jigsaw puzzles. In fact, when I showed her some really cute ones as we roamed a bookstore years ago, my excitement over the array of choices was met ...
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