Hearing Facts

Cats and dogs can hear ultrasound.

Studies show that men tend to have slightly better visual acuity than women, while women generally have more sensitive hearing, particularly at higher frequencies.

Pain occurs when sounds are above 130 db.

The katydid bug hears through small oval openings in its front legs!

When a person dies, hearing is usually the last sense to go.

Edwin Robinson lost his sight and hearing in a 1971 truck accident. Nine years later, he stepped outside during a storm in Falmouth, Maine to rescue his pet chicken. A bolt of lightning hit him in the head and knocked him cold. When he woke up the next morning, he could see and hear again. Within weeks his hair started growing back too. Doctors had no medical explanation.

Dogs can hear sounds that you cant!

You can hear the blood flowing through your ears if you find a quiet place and cover them tightly.

Microsoft built a room so quiet it measures -20.35 dBA - well below the threshold of human hearing. The walls absorb everything. Your body fills the silence: heartbeat, breathing, stomach, the buzz of your own inner ears. Visitors lose their sense of balance. You become the sound.