We've all got different levels of intelligence. And, through the years, researchers have been able to figure out some random things -- or traits -- that people with high IQs have in common. Ready for this? It seems smart people tend to have messy desks, swear a lot and drink wine. They're also a little anxious and admit that they experimented with drugs when they were younger. Lastly, they tend to be blonde. How about that? (Inc.)