Humans aren't the only ones to catch the contagious yawning bug. A new study from the University of Tokyo suggests dogs yawn when they see a person do it. In fact, the study reveals your pet dog is more likely to yawn after you instead of strangers. Researchers believe this may be a result in part to an emotional connection between pet and human. This may suggest what most dog owners already knew: the bond between man and man's best friend is like no other. Check out the full study:

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