Mammals have exceptional hearing. Using echolocation, bats can detect tiny insects flying in pitch-black darkness. Elephants can recognize the calls of their companions from roughly a mile away. And ...

The genes that build the cartilage of fish gills were repurposed to build the cartilage in mammals’ outer ears ...

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The outer ear is unique to mammals, but its evolutionary origin has remained a mystery. According to a new study published in Nature from the USC Stem Cell lab of Gage Crump, this intricate coil of ...

The outer ear is unique to mammals, but its evolutionary origin has remained a mystery. According to a new study published in Nature from the USC Stem Cell lab of Gage Crump, this intricate coil of ...

Get Instant Summarized Text (Gist) The mammalian outer ear has been traced back to ancient fish gills, revealing its evolutionary origin. Both structures share a rare tissue type, elastic ...

An earful of gill: Evolutionary origin of the mammalian outer ear Date: January 9, 2025 Source: Keck School of Medicine of USC Summary: A recent study has uncovered the surprising evolutionary ...

LOS ANGELES — Scientists have made a groundbreaking discovery about the origins of the human outer ear, revealing that this distinctive mammalian feature evolved from an unexpected source: fish gills.

middle ear infection, or serous otitis media. Outer ear infections are known as otitis externa or swimmer’s ear. Infections in the ear are well understood, and their common occurrence means that ...