When a protein folds, its string of amino acids wiggles and jiggles through countless conformations ... multiple hydrogen bonds in different locations of the protein—and your eyes can’t track all of ...

How does the heart beat out its regular rhythm for decades? How do our eyes process the light and color before them? Ion channels control or regulate diverse physiological activities in our body.

Researchers at the National Institutes of Health (NIH) have developed eye drops that extend vision in animal models of a ...

Medically reviewed by Aviv Joshua, MS, RDN Phenylalanine is an essential amino acid (building block of protein) that the body ...

Amino acids are small molecules that are the building blocks of proteins. Proteins serve as structural support inside the cell and they perform many vital chemical reactions. Each protein is a ...