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In 2006, a high-pitched ringtone known as the "Mosquito" ringtone was field-tested. While children could hear the sound loud ...
Dogs weren’t always waiting by the door for snack time. Long ago, their hearing played a crucial role in survival. Dogs are designed to hear significantly higher frequencies, up to 44,000 Hz, than ...
What's the right age to take kids to a loud sporting event? A Johns Hopkins noise expert on protecting babies' ears and when game day noise might be too much for them.
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