When a bone grows, our bodies’ proteins help provide the structure. When a muscle tears, proteins help rebuild it. When we fight an infection, transport oxygen in our blood or send messages to a cell, ...

In pursuit of a circular economy for plastic waste, scientists have discovered a new enzyme that helps break down one of its key building blocks, leaving simple molecules that can be repurposed ...

Scientists discovered chemical reactions that place amino acids on tRNAs and extend peptide chains without enzymes, a key ...

Restoring levels of coenzyme Q10 (CoQ), a key molecule in energy production in cells, could overcome insulin resistance or pre-diabetes -- a precursor to type 2 diabetes and cardiovascular disease.