Executive function describes a set of cognitive processes and mental skills that help an individual plan, monitor, and successfully execute their goals. The “executive functions,” as they’re known, ...

Epithelial cells form a layer in which an apical surface is exposed to the external environment and to other forms of stress in ducts in specialized organs. As such, epithelial cells require robust ...

Adam Hayes, Ph.D., CFA, is a financial writer with 15+ years Wall Street experience as a derivatives trader. Besides his extensive derivative trading expertise, Adam is an expert in economics and ...

Many RNA-binding proteins have a modular structure and are composed of multiple repeats of a few small domains. By arranging the domains in various ways, these proteins can satisfy the diverse ...

Serotonin is a neurotransmitter and hormone that helps regulate mood, sleep, digestion, blood clotting, and sex drive. Your body makes it from tryptophan, an amino acid found in meat, dairy, eggs, and ...