Beethoven could still hear after going deaf thanks to a process called bone conduction. While composing, he would simply bite a metal pole connecting to the piano and he could 'hear' the music perfectly well
Approximately 70,000 people in the US are both blind and deaf.
Beethoven began losing his hearing at the age of only 28, so he cut the legs off his piano so that he could sit on the floor and compose music by feeling the vibrations of the piano.
hearing loss is suffered by around 1 in 5 of the world's population
The football huddle was created in 1890 at a university for deaf students where the players needed to be able to sign plays to each other without the other team seeing.
Deafness is an identity. Curing it with cochlear implants is seen by some as a form of "ethnic" genocide; the destruction of a unique population of people with a linguistic heritage.
People born deaf with schizophrenia see disembodied hands signing to them, as opposed to " hearing " voices.
Inattentional deafness describes how, when you are deeply wrapped up in something, you don't hear another person who is trying to talk to you.
Deaf people don't get motion sickness.