Cats and dogs can hear ultrasound.
350
You can hear the blood flowing through your ears if you find a quiet place and cover them tightly.
17
Your ears secrete more earwax when you are afraid than when you aren't.
229
Wearing headphones for an hour increases the bacteria in your ear 700 times.
233
Pain occurs when sounds are above 130 db.
124
Flies are deaf.
379
The roar that we hear when we place a seashell next to our ear is not the ocean, but rather the sound of blood surging through the veins in the ear.
476
Our eyes are always the same size from birth, but our nose and ears never stop growing.
266