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 ...

The discovery fundamentally changes the understanding of a structure in the avian eye that has been misinterpreted for centuries.

A six-year analysis of marine microbes in coastal California waters has overturned long-held assumptions about how the ...

There are more ways to get iron than a bloody steak. Experts share the why we need the mineral and the best iron-rich foods ...

AT JUST 14 years old, Trinity Shores fought flu while in a coma, was hooked up to life support and ‘died’ several times.

Exercise variety may matter as much as exercise amount, with mixed workouts linked to lower death risk over decades.

Some medications can cause imbalances, as can health conditions such as diabetes and kidney disease. You may have used an ...

An 81-year-old runner smashed the 50k world record. Scientists studied his physiology and training to understand how he did ...

From metabolic health to structural integrity, new dietary guidelines suggest you might need double the protein you ...

There are more microbes in a gram of feces than there are people on the planet. Contrary to the cutting-edge scientific ...