Here are five creatures with superior hearing abilities that can detect and interpret ultrasonic frequencies: Dogs can hear ...

While conducting safety trials of experimental ultrasound therapy on a 12-year-old dog with a terminal-stage chondrosarcoma — its weakened pelvic bone so swollen the animal couldn’t stand ...

Ultrasonic sounds are high-frequency sound waves that exceed 20,000 hertz, a range far beyond what the human ear can detect.