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
Cats and dogs can hear ultrasound.
350
Our eyes are always the same size from birth, but our nose and ears never stop growing.
266
Flies are deaf.
379
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
Pirates believed that piercing the ears with such precious metals as silver and gold improved one's eyesight.
131