Perovskite solar cells have long been the most exciting “almost there” technology in clean ...

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.

More than 3.5 billion years ago, the Earth was not the hospitable world we know today. The atmosphere lacked oxygen, the seas ...

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

New research shows ancient tropical oceans once held more oxygen than cooler regions, reshaping where early life could survive and evolve.

But there’s one side effect that’s well established but little known and still puzzling to doctors: the “keto rash” or prurigo pigmentosa. This rash fits the man’s case perfectly—red, raised, itchy ...

Vertical graphene microstructures break the thickness-performance tradeoff in thermoacoustic speakers, enabling flexible ...

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

Asthma may not be driven by the molecules scientists have blamed for decades. Researchers have identified “pseudo leukotrienes,” inflammation-triggering compounds formed by uncontrolled free-radical ...

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