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 ...

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.

Light shed on koala evolution

(PhysOrg.com) -- The world at large knows koalas as cute, cuddly, lovable iconic animals. The evolutionary biologist, on the other hand, will know them as extremely specialized, endangered animals, the evolutionary history ...

Long-sought fossil mammal with transitional middle ear found

Paleontologists from the American Museum of Natural History and the Chinese Academy of Sciences announce the discovery of Liaoconodon hui, a complete fossil mammal from the Mesozoic found in China that includes the long-sought ...

Paleontologists discover a new Mesozoic mammal

Pittsburgh, Pennsylvania, USA…An international team of paleontologists has discovered a new species of mammal that lived 123 million years ago in what is now the Liaoning Province in northeastern China. The newly discovered ...

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 ...

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