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Audience

Travel Through the Ear in Journey of Sound to the Brain

Travel through the human ear in this short, animated video. Learn how sound waves are changed to electrical signals that our brains interpret and understand.

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NIH Scientists Uncover Clues About How Common Cancer Drug Causes Hearing Loss

Scientists have found new clues to explain how a common chemotherapy drug, cisplatin, causes permanent hearing loss in many adults and children.

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Low-Cost Devices Could Improve Access to Infant Hearing Screenings Worldwide

More families worldwide could soon have access to newborn hearing screening thanks to the design of a screening system that uses simple, lower-cost devices. Read More

Yikes! Only Eight Percent of U.S. Adults Consistently Use Hearing Protectors at Loud Events

According to a 2018 study by the Centers for Disease Control and Prevention (CDC), only eight percent of US adults say that they regularly wear hearing protectors at loud athletic and entertainment events.

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How is Sound Measured?

Many factors influence how loud a sound seems. One easily measured factor is sound intensity, or volume, which is measured in decibels. A-weighted decibels, or “dBA,” are often used to describe sound level recommendations for healthy listening.

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Noisy Planet is on Kahoot!

Test your knowledge about the causes and prevention of hearing loss with an online quiz available from Kahoot!

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