The document summarizes Howard Gardner's theory of multiple intelligences, which identifies nine distinct types of intelligence: 1) Linguistic intelligence, 2) Logical-mathematical intelligence, 3) Musical intelligence, 4) Spatial intelligence, 5) Bodily-kinesthetic intelligence, 6) Interpersonal intelligence, 7) Intrapersonal intelligence, 8) Naturalistic intelligence, and 9) Existential intelligence. It provides brief descriptions of each type of intelligence and suggests ways to strengthen each one. The theory challenges the traditional view of intelligence as being solely based on IQ tests by recognizing different ways that humans can be smart.