Artificial intelligence has been explored since modernity.
 Some groups of psychologists have suggested the following definitions:From "Mainstream Science on Intelligence" (1994), an op-ed statement in the Wall Street Journal signed by fifty-two researchers (out of 131 total invited to sign):A very general mental capability that, among other things, involves the ability to reason, plan, solve problems, think abstractly, comprehend complex ideas, learn quickly and learn from experience
 Intelligence enables humans to remember descriptions of things and use those descriptions in future behaviors

