Forbes contributors publish independent expert analyses and insights. Mark Travers writes about the world of psychology. For decades, intelligence has been often reduced to a number — an IQ score, a ...

Blue jeans are a undisputedly a wardrobe staple. But what shoes to wear with them? I've rounded up 13 options for you to peruse to inspire your denim days.

This story appears in the February 2013 issue of National Geographic magazine. Michael decided to go for a swim. He was on vacation with his family in Guerrero, Mexico, and it was hotter than blazes.