Cats and dogs can hear ultrasound.
350
Pirates believed that piercing the ears with such precious metals as silver and gold improved one's eyesight.
131
Flies are deaf.
379
Pain occurs when sounds are above 130 db.
124
Only 10-20% of the population can wiggle their ears and raise one eyebrow.
22
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
Our eyes are always the same size from birth, but our nose and ears never stop growing.
266