Do you welcome conversation with a stranger on an airplane? Or do you use earbuds - the universal sign that you're in a no talking zone - to silence your neighbor?
Despite our increasingly 'social' world, many airline passengers prefer to pretend that the stranger, sitting just millimeters away, doesn't exist. But, researchers say you might want to think twice about tuning out your seatmate. Talking to the stranger next to you could make you happier.