Pirates believed that piercing the ears with such precious metals as silver and gold improved one's eyesight.
131
Cats and dogs can hear ultrasound.
350
Wearing headphones for an hour increases the bacteria in your ear 700 times.
233
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
Pain occurs when sounds are above 130 db.
124
You can hear the blood flowing through your ears if you find a quiet place and cover them tightly.
17
Flies are deaf.
379
Your ears secrete more earwax when you are afraid than when you aren't.
229