ChickenMcnuggets

For more than 30 years, the standard McDonald's Happy Meals have been exactly the same -- a burger or chicken nuggets, fries and a soda. But no more. In an attempt to help youngsters make healthier food choices, the fast food chain is making big changes to its kid's-meal-in-a-box.

We run into McDonald's because it's easy and cheap, and that keeps us from turning on the stove. But did you know that you've also probably been turning off your brain? The Golden Arches is pulling off a little sleight of hand in the way it prices its McNuggets. Like the best optical illusions, the...