Pain occurs when sounds are above 130 db.
124
Cats and dogs can hear ultrasound.
350
Wearing headphones for an hour increases the bacteria in your ear 700 times.
233
You can hear the blood flowing through your ears if you find a quiet place and cover them tightly.
17
Pirates believed that piercing the ears with such precious metals as silver and gold improved one's eyesight.
131
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
Flies are deaf.
379
The left ear is more responsive to words of love and emotion whispered into it than the right.
40