This very brief paper summarizes 20 major findings of research on 3000 gifted children over 19 years at the Gifted Development Center (Denver, Colorado). Among findings are: (1) there are more highly gifted children than previously recognized; (2) when one child is gifted, the chances are great that all siblings are gifted; (3) second children are recognized as gifted much less frequently than first-born or only children; (4) parents' IQ scores are usually within 10 points of their children's, grandparents' IQ scores are often within 10 points of their grandchildren's; (5) parents are excellent identifiers of giftedness in their children; (6) IQ test norms are biased against gifted children; (7) many cases of underachievement are linked to chronic early ear infections; (8) gifted children with hidden learning disabilities are much more prevalent than previously recognized; (9) over 60 percent of gifted children are introverted compared with 30 percent of the general population; and (10) gifted children have better social adjustment in classes with children like themselves. (DB)