Salk Institute Aug 29 2025 Like bees breathing life into gardens, providing pollen and making flowers blossom, little cellular machines called mitochondria breathe life into our bodies, buzzing with energy as they produce the fuel that powers each of our cells. Maintaining mitochondrial metabolism requires input from many molecules and proteins-some of which have yet to be discovered. Salk Institute researchers are taking a closer look at whether mitochondria rely on microproteins-small