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Courtney’s Reviews > Yawns Freeze Your Brain: Fun and Interesting Facts From Science, History, Life and The Universe > Status Update

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Courtney is 47% done
— 9 hours, 8 min ago
Yawns Freeze Your Brain: Fun and Interesting Facts From Science, History, Life and The Universe

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— 3 hours, 18 min ago
Yawns Freeze Your Brain: Fun and Interesting Facts From Science, History, Life and The Universe


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— 22 hours, 47 min ago
Yawns Freeze Your Brain: Fun and Interesting Facts From Science, History, Life and The Universe


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