Cats and dogs can hear ultrasound.
350
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
Wearing headphones for an hour increases the bacteria in your ear 700 times.
233
You can alleviate a tickly throat by scratching your ear.
9
Pirates believed that piercing the ears with such precious metals as silver and gold improved one's eyesight.
131
Only 10-20% of the population can wiggle their ears and raise one eyebrow.
22
The left ear is more responsive to words of love and emotion whispered into it than the right.
40