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 ...

The continuing sequence of disasters in the Himalayas is a non-negotiable lesson in earth system science and a loud reminder ...

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

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

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

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

While you might think coffee energy and sodas drinks keep you hydrated they often do the opposite An expert shares six foods that actually hydrate your muscles effectively ...

Tiny self-propelled nanorobots use body chemistry to navigate directly to tumors and deliver cancer drugs more effectively.

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