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by Dawn Watson (cnbnews.net) It’s no secret that dogs can hear better than average humans. According to one Internet source, “Dogs can hear far higher ranges of sounds and tones than people. They can hear ultrasonic frequencies like a dog whistle or a squeaking mouse while we can't. "Dog can hear between 40,000 to 100,000 vibrations per second while a human can only hear about 20,000 vibrations per second. “Generally, a dog's sense of hearing is not that much different from a human's sense of... Continue »