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.

Vaults are mysterious cellular structures that can be genetically engineered to store information about a cell’s history.

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

For the first time, clumps of human cells called organoids were fully integrated with the brains of rats—and influenced their ...

This unexpected ability opens the door for scientists to stimulate cellular mitosis and improve heart function after an ...

The protection of non-ferrous metals, particularly copper and its various alloys, remains a critical necessity in modern ...

New U.S. dietary guidelines promote eating full-fat foods and meats. But experts say nuts and seed oils are better sources of ...

A newly developed imaging method blends ultrasound and photoacoustics to capture both tissue structure and blood-vessel function in 3D.

New evidence reveals adult human hearts can regrow muscle cells after myocardial infarction, opening new possibilities for ...

These days when it’s cold out and gets dark early, it can be tempting to hole up at home and keep to ourselves.

This is 40-something. Kim Kardashian, 45, has tried to cling to her youth by undergoing skin-tightening treatments, traveling to Korea for stem cell therapy and even getting injected with salmon sperm ...