The light-sensitive tissue of birds’ eyes is not supplied with oxygen by blood vessels – instead, it powers itself with a ...

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

For decades, the ability to visualize the chemical composition of materials, whether for diagnosing a disease, assessing food ...

Researchers have unveiled world-first deep-ocean landers to uncover how the mysterious dark oxygen is produced in complete ...