If you are bothered by a high-pitched sound, buzzing, or shushing in one or both ears, you may have a condition called tinnitus, which effects a majority of the population at some point in their lives. What is the sound I hear when it’s quiet? In a silence where someRead More →

1 : unable to speak : lacking the power of speech. 2 : characterized by absence of speech: such as. a : felt or experienced but not expressed touched her hand in mute sympathy her mute hostility. What do you call a mute person? Aphonic refers to a person whoRead More →

They choose nighttime as their designated hoot time because most owls, not all, are nocturnal animals. Most of them hunt and set up territory in the nighttime. This is because their senses are strong enough to live at night. It’s also easier for them to hunt nocturnal prey and avoidRead More →

Under ideal laboratory conditions, humans can hear sound as low as 12 Hz and as high as 28 kHz, though the threshold increases sharply at 15 kHz in adults, corresponding to the last auditory channel of the cochlea. The human auditory system is most sensitive to frequencies between 2,000 andRead More →