News tagged with middle ear

Researchers reveal how hearing evolved

Lungfish and salamanders can hear, despite not having an outer ear or tympanic middle ear. These early terrestrial vertebrates were probably also able to hear 300 million years ago, as shown in a new study by Danish researchers.

dateFeb 06, 2015 in Evolution
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Cochlear implants—with no exterior hardware

Cochlear implants—medical devices that electrically stimulate the auditory nerve—have granted at least limited hearing to hundreds of thousands of people worldwide who otherwise would be totally deaf. Existing versions ...

dateFeb 09, 2014 in Engineering
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Frogs without ears hear with their mouth

Gardiner's frogs from the Seychelles islands, one of the smallest frogs in the world, do not possess a middle ear with an eardrum yet can croak themselves, and hear other frogs. An international team of scientists using X-rays ...

dateSep 02, 2013 in Plants & Animals
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