A rare fossil discovery in Ethiopia has pushed the known range of Paranthropus hundreds of miles farther north than ever before. The 2.6-million-year-old jaw suggests this ancient relative of humans ...

New fossil evidence from China suggests that some of our vertebrate ancestors had four eyes. The study, published in Nature, ...

The discovery fundamentally changes the understanding of a structure in the avian eye that has been misinterpreted for centuries.

A new study explains how birds maintain sharp eyesight despite their retinas lacking blood vessels, finally resolving a centuries-old biological paradox.

Neural tissue normally dies quickly without oxygen. Yet bird retinas—among the most energy-demanding tissues in the animal ...

Background Both host and microbe metabolism of tryptophan (Trp) is altered in diabetes; however, the molecular mechanisms are ...

Introduction: The use of human donor tissue has the potential to accelerate translational research and support the development of effective human medicines. However, post-mortem sample degradation and ...

A new study provides the best evidence to date that the connection patterns between various parts of the human brain can tell scientists the specialized functions of each region. Previous research has ...

Seeing is not only about reflected light that reaches the eye. It’s also about timing – how quickly and when those signals arrive and are processed by the eye’s retina. When viewing a landscape, for ...

On August 6, 2025, researchers in California revealed how freshwater apple snails can regrow lost eyes. The study, published in Nature Communications, shows the process mirrors human eye anatomy and ...

Rachael has a degree in Zoology from the University of Southampton, and specializes in animal behavior, evolution, palaeontology, and the environment. Rachael has a degree in Zoology from the ...