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

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 ...

These days when it’s cold out and gets dark early, it can be tempting to hole up at home and keep to ourselves.

This unexpected ability opens the door for scientists to stimulate cellular mitosis and improve heart function after an ...

A new study into how different parts of memory work in the brain has shown that the same brain areas are involved in ...

A newly developed imaging method blends ultrasound and photoacoustics to capture both tissue structure and blood-vessel function in 3D.

Bird retinas survive without oxygen by burning sugar scientists solve 300 year mystery that could help treat human strokes.

New evidence reveals adult human hearts can regrow muscle cells after myocardial infarction, opening new possibilities for ...

The Arctic ground squirrel survives conditions that would cause irreparable brain damage in almost any other mammal on the ...