A toddler had the most adorable reaction when he heard his mother’s voice for the first time. Eighteen-month-old Colton Stapelberg, who has struggled with hearing problems since birth, was fitted with ...

A black cat named Loki had the sweetest reaction to hearing his mom play the flute for the first time, and it's so lovely to see! The cat, who was sitting in his mom's lap, immediately perked up as ...

Those chirps may be above the hearing range of most animals, but not the greater wax moth, which can hear frequencies of up to 300 kilohertz — about 15 times greater than the upper range of human ears ...