What began with a sliver of brain tissue no larger than a grain of sand has culminated in a scientific achievement once ...

The trillions of cells that make up our skeleton age too, and some change in ways that weaken the very structure of our bones. Aging and stress can induce cellular senescence in osteocytes ...

As workhorses of the cell ... similar functions within the cell. Proteins from the same family also often have long stretches of similar amino acid sequences within their primary structure.