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

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

A new building material developed by engineers at Worcester Polytechnic Institute could change how the world builds. Made using an enzyme that turns carbon dioxide into solid minerals, the material ...

Research reveals when and why ancient tropical seas transitioned from oxygen oases to marine dead zones, providing clues to ...

A lead-acid battery is a type of rechargeable battery, invented in 1859. It uses lead plates (electrodes) submerged in ...

In chemistry, the chemical nomenclature of ionic and molecular compounds uses a systematic approach of prefixes to indicate ...

Chalk is a fine-textured form of limestone. It is composed of several tiny fragments of the calcite shells or skeletons of ...

Ionic compounds are formed through the electrostatic attraction between positively charged ions (cations) and negatively charged ions (anions). This attraction arises from the transfer of electrons ...

Aluminum, represented by the symbol Al, is a silvery-white, lightweight metal. Its abundance in the Earth's crust makes it a readily available resource. However, raw aluminum is rarely found in its ...

India batter Shreyas Iyer is doubtful for the ODI series against South Africa, after escaping a near fatal injury last month in Australia, according to a report. The Shubman Gill-led side will play ...

Scientists have developed a powerful new dual-imaging tool that maps the retina’s structure and oxygen use in unprecedented detail. This breakthrough could one day help doctors spot sight-stealing ...

SIDOARJO, Indonesia — Rescuers ran oxygen and water to students trapped in the unstable concrete rubble of a collapsed school building in Indonesia, as they desperately worked to free survivors ...