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 ...

A notary is a state-appointed official who witnesses important document signings and verifies signers' identities to help deter fraud.

Learn about the responsibilities of the International Monetary Fund and its functions regarding the international monetary system's stability.

A union is a group of workers who join together to negotiate pay, benefits, scheduling and other workplace policies and conditions.

Cell Energy and Cell Functions Cells manage a wide range of functions in their tiny package — growing, moving, housekeeping, and so on — and most of those functions require energy.

Learn more about a car chassis, what they do, what they're made of, and why they're important from our expert team's guide.