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
You can alleviate a tickly throat by scratching your ear.
9
Pain occurs when sounds are above 130 db.
124
Wearing headphones for an hour increases the bacteria in your ear 700 times.
233
Flies are deaf.
379
The left ear is more responsive to words of love and emotion whispered into it than the right.
40
Pirates believed that piercing the ears with such precious metals as silver and gold improved one's eyesight.
131