Tuesday, January 24, 2012

Have you heard? Some Hearing Loss Resources

People aren’t the only ones with interesting hearing mechanisms and facts. Check out these random tidbits about animal hearing from the Better Hearing Institute, Teachers Domain, and the University of Washington:

• Snakes do not have ears, but their tongues are sensitive to sound vibrations.
• Owls distinguish sound directions partly by measuring the difference in time it takes the sound to reach each ear. This difference is typically less than 200 millionths of a second!
• Cicadas have hearing organs in their stomachs
• Crickets have hearing organs in their knees; sound waves cause a thin membrane on the cricket’s legs to vibrate
• It is thought that owls can create an image of the world around them based only on sound, much like humans do with their eyes... (read more)

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