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Sad dogs break our hearts and anxiety is such a hard thing to deal with. Like humans, a dog's anxious behavior can vary from the moderate to the extreme. Some dogs will bark and howl, while others have been known to destroy furniture and start going to the bathroom indoors. But if you're not home, what can you do?
Researchers at North Carolina State University have developed a device that allows people who are blind to monitor their guide dogs, in order to keep tabs on the health and well-being of their canine companions.