Cats and dogs can hear ultrasound.
350
Your ears secrete more earwax when you are afraid than when you aren't.
229
Our eyes are always the same size from birth, but our nose and ears never stop growing.
266
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
You can alleviate a tickly throat by scratching your ear.
9
Only 10-20% of the population can wiggle their ears and raise one eyebrow.
22
Flies are deaf.
379