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*Yaaawwwwwn* Did just reading the word make you feel like yawning yourself? Known as contagious yawning, the reasons behind this phenomenon have been attributed to both the physiological and psychological. It's been observed in children as young as four and even in dogs! The following learning module visits the many intriguing theories that might explain contagious yawning. [4:29]
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- Knovation Readability Score: 3 (1 low difficulty, 5 high difficulty)