From Merely Bright--or Brilliant?

In many cases, parents of these children suspect giftedness long before kindergarten. Joan Franklin Smutny, director of the Center for Gifted at National Louis University in Evanston, says these are some of the early signs of giftedness in preschoolers:
Has curiosity about many things.
Asks thoughtful questions (why, how, what if).
Has an extensive vocabulary.
Solves problems in unique ways.
Has a good memory.
Exhibits wit.
Has a sustained attention span.
Is very observant.
Shows talent in making up and telling stories.