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 ...

Artificial snow is largely safe, but indoor rinks with gasoline/propane resurfacers can expose athletes to CO, NO2, and ...

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 ...

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

Artemis II will flight-test Orion and the Space Launch System, introducing integrated spacecraft, rocket, and life-support systems designed for sustained human travel beyond low Earth orbit.

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

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