In that moment, Bell knew the answer to the puzzle of the harmonic telegraph.

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The answer to the puzzle may lie in the timing.

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The answer to this enduring puzzle may lie in the level of real interest rates.

ECONOMIST: A very unusual sign of confidence in economic policy

The answer to that puzzle will require considering different ways in which these particles and others decay into yet more particles from the zoo that may finally show enough CP violation to close the antimatter question.

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By scanning the brains of people while they learned from positive and negative information about the future we uncovered a possible answer to this puzzle.

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Like all such games, Resonance has the problem that there is generally only one right answer to a puzzle, and only one way to get to it.

FORBES: Review: Resonance - A Smart Techno-Thriller In A Classic Format