Neural tissue normally dies quickly without oxygen. Yet bird retinas—among the most energy-demanding tissues in the animal kingdom—function permanently without it. This may be relevant in future ...

The IPL's microstructure may serve as a biomarker for early diagnosis of diseases affecting synaptic health, including ...

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

Biologists have finally solved a centuries-old mystery regarding how birds maintain sharp eyesight despite ...

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

Researchers from the University of Konstanz have studied how insect brains take in complex light stimuli and process them in ...