Scientific Mind

"If you wish to make an apple pie from scratch, you must first invent the universe." — Carl Sagan

Scientific Mind

Evil Sudoku Puzzles

The hardest sudoku puzzles. Only the sharpest minds will prevail.

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Chess Wisdom

"I have added these principles to the law: get the knights into action before both bishops are developed." — José Raúl Capablanca

Chess Wisdom