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 ...

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

Understanding human gene function in living organisms has long been hampered by fundamental differences between species.

Until now, it has been difficult to maintain retinal ganglion cells deep inside organoids over extended periods. The supply ...

Until now, it has been difficult to maintain retinal ganglion cells deep inside organoids over extended periods. The supply ...

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

Scientists have uncovered a surprising reason why some chronic wounds refuse to heal, even when treated with antibiotics. A ...

In high enough doses, hydrogen cyanide can kill an adult human in minutes, but the chemical may be the reason why we’re here ...

Interest in human hibernation has intensified in recent years, driven by the convergence of long-duration space travel ...