We’re making a resolution: to give you a glimpse of what you’ll need to know for 2015. Keep in mind that happiness, motivation and even weight loss can be contagious, says Nicholas Christakis, a doctor and professor at Yale. Then, author David Rose and John Kestner, founder of Supermechanical, talk about what our wired homes could look like in the not-to-distant future. Jennifer Lerner of the Harvard Decision Science Lab explains how our emotions subtly manipulate us. Plus, a few of our favorite guests look ahead to the new year.