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Research links human outer ears to cartilage in fish gills. Gene-editing experiments confirm evolutionary connection. Findings date back to marine invertebrates 400 million years ago.

Published in Nature by researchers at the Keck School of Medicine of USC, the study connects the elastic cartilage in mammalian ears to the same rare tissue found in fish gills. To explore this link, ...

The authors reasoned that many similarities between the appearance of cartilage under the microscope for zebrafish gills and human ears cannot be just a coincidence. Knowing that both the gills ...

It turns out the human ear got off to a fishy start. Literally. A fascinating new study reveals that the mammalian outer ear has its evolutionary roots in the gills of ancient fish. This ...

Human ears try to move while listening to a sound, a recent study by Saarland University in Germany has revealed. Movement of ears is a common trait in animals, which not only help them focus on a ...

Scientists call this a “neural fossil”, a leftover trait from our evolutionary past that refuses to fade away. Yet, despite being functionally obsolete, the muscles around the human ear—the auricular ...

Recent research conducted at Saarland University in Germany revealed that humans also move their ears in response to sound — at least to some degree. When we strain to catch what someone is ...

Vestigial human ear muscles react to sounds even if the external ear does not move. This could be used to build better earing aids.