Siblings can play a powerful role in our lives, and now scientists are learning more than ever about just how much our brothers and sisters impact our behavior.
Author Jeffrey Kluger examines the science and delves into his own childhood to explain why who we are is as much about our siblings as it is about ourselves.
Jeffrey Kluger, senior editor and writer for Time Magazine. His newest book is "The Sibling Effect."
Join us for a live online discussion below.