Most celebrities are smart, or else they would have made it to where they are. Thereare different kinds of intelligence, not just book smarts, or PhD's, but also street smarts.Here I am interested in celebrities who have done something interesting outside of what they are normally known for - and you may not expect it!1. Danica McKellar - actress from the Wonder Years who has a degree in math from UCLA and published a math paper and two best selling books on why math is cool.How come I never had any math teachers who looked like that.2. Heavyweight Boxing Champion Vitali Klitschko - has a PhD in sports science. Better to refer to him as "doctor" or he will pummel you! 3. Geena Davis - is a multi-talented actress, former model, producer, athlete and is member of MENSA.She speaks several languages and can play a few different musical instruments.4. Dolph Lundgren - action hero movie star has a masters Degree in Chemical Engineering and won a Fulbright scholarship to MIT. He is also a Karate champion, and was a member of Sweden's elite marines, so is a trueaction man.The rest of the list: Natalie Portman - actress, has a degree from Harvard and has co-authored two science papers. Jodie Foster - has a degree from Yale and has acted in French films. James Woods - actor went to MIT and is a member of MENSA Rachel Maddow - talk show host was a Rhodes Scholar and has a PhD from Oxford. Sharon Stone - actress - is a member of MENSA Matt Damon - actor went to Harvard, but dropped out shortly before graduating. Kate Beckinsdale - studied at Oxford and has published poetry. Elizabeth Shue , actress and director - graduated from Harvard. Alicia Keys - singer - graduated high school at 16 and attended Columbia University. Stephen Colbert - smart and funny TV host Ed Begley Jr - environmentalist, actor and host of Living with Ed onHave I missed any? Please add your comments below.