A dog owner has shared how her heart melted when she found out the reason her dog's best friend loves to lick his ears. Sara Kourtesis from Newport, Rhode Island, shared a video on Instagram of ...

A dog training whistle makes sound waves that have a frequency of 40,000 Hz. Dogs ears can detect the sound, humans can’t because the frequency is above 20 kHz. In 2005, Howard Stapleton from ...