Cells display intracellular antigens ? from both intracellular pathogens and self ? at the cell surface to distinguish between infected and unifected cells. Each antigenic peptide is bound by an MHC ...

Pavan Subramani started doing molecular dynamics simulations for computational drug discovery alongside his high school coursework, sparking an interest in a STEM career.

MSN via Barron Kerry Stewart, an exercise physiologist and professor of medicine at Johns Hopkins, says exercise capacity "definitely declines" as we age. "With regular exercise, the decline won't be ...