The seawater-based zinc-air battery fabricated with Cl–Fe–N4 demonstrates a power density of 187.7 mW and maintains stable cycling performance for 200 hours.

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

A new study explains how birds maintain sharp eyesight despite their retinas lacking blood vessels, finally resolving a ...

Astronomers from the National Research Institute of Astronomy and Geophysics (NRIAG) in Cairo, Egypt, have investigated a ...

Chemical bonds are forces that hold atoms together in molecules through shared electrons. The rules governing bonding and the shapes of molecules are often thought to be absolute. Geometries of double ...

“A high-voltage, iron-based cathode could avoid the trade-off between higher voltage and higher-cost metals that previously dominated cathode materials,” Mu notes. In principle, this would enable ...