A school cafeteria can be a highly charged environment. Crowds of students press into the line, eager to zip through so they can get to their friends and recess. They’re hungry. It’s very loud. And they’re only children. Can we really expect them to focus on healthy choices? Experts from the Cornell Center of Behavioral Economics say we can, with the help of simple, low or no-cost interventions at the point of sale. It’s just marketing, but it can work like magic. Sponsored by Whole Foods Market.