Your new excuse for a sabbatical in Paris? It'll make you a superstar employee. When researchers presented scenarios that required out-of-the-box problem solving, a majority of those who zeroed in on the best answers had spent some years living in another country. What's more, a recent study found that former expats were more likely to be promoted. Explains Adam Galinsky, professor at the Kellogg School of Management at Northwestern University, "When abroad, you're forced to adapt to a local culture" and fit in—you're exercising your brain by thinking about cultural norms and how to adapt to them. What better excuse for having that after-dinner fromage?