Gill evolution Fish gills evolved to balance pH, not breathe, suggests a new study. This goes against the traditional assumption that gills first evolved so fish could get more oxygen as they became ...

When you buy through links on our articles, Future and its syndication partners may earn a commission. The human outer ear may have arisen from ancient fish gills. | Credit: A. Martin UW ...

When you and I take a deep breath, we pull air into our lungs. That’s because humans are mammals. But fish aren’t mammals. They usually don’t breathe air. They usually don’t have lungs. That’s what I ...

Have you ever wondered why our ears look the way they do? That soft, curved shape we rarely think twice about might actually carry a hidden story– one that traces all the way back to life under the ...

Breakthroughs, discoveries, and DIY tips sent six days a week. Terms of Service and Privacy Policy. Some teenage Japanese eels have found a way to avoid becoming a ...

I think the gills allow fish to breathe because water goes in them. Because they have holes in their gills so it is like a nose. But I don’t know how they stay alive if we can’t with our nose. Well if ...

The middle ear of humans evolved from fish gills, according to a study of a 438 million-year-old fossil fish brain. Scientists discovered the fossil of the braincase of a Shuyu fish. Despite its skull ...