When You Have a Gas Bubble in Your Eye

The Science of Hearing The human hearing range is between 20 to 20,000 Hz. There is considerable variation in the hearing range between individuals. Most young people can hear up to 18,000 Hz. Our ability to hear high frequencies declines with age. By the age of 55 some men can't hear above 5,000 Hz and some women can’t hear above 12,000 Hz ... ................
................

In order to avoid copyright disputes, this page is only a partial summary.

Google Online Preview   Download