Pain occurs when sounds are above 130 db.
124
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
Flies are deaf.
379
Our eyes are always the same size from birth, but our nose and ears never stop growing.
266
You can hear the blood flowing through your ears if you find a quiet place and cover them tightly.
17
Only 10-20% of the population can wiggle their ears and raise one eyebrow.
22
Your ears secrete more earwax when you are afraid than when you aren't.
229