Scientists have discovered how the amino acid leucine boosts the body’s energy production by protecting key mitochondrial ...

Think back to that basic biology class you took in high school. You probably learned about organelles, those little "organs" inside cells that form compartments with individual functions. For example, ...

Genetic engineers can design and assemble sophisticated gene circuits to program cells with new functions, but important ...

The microbiome-the trillions of bacteria, viruses, and fungi that live quietly in our body-plays a crucial role in shaping human health by providing a variety of micronutrients necessary for vital ...

For much of the 20th century it was thought that the adult brain was incapable of regeneration. This view has since shifted dramatically and neurogenesis—the birth of new neurons—is now a widely ...