CNN's Chief Medical Correspondent, Dr. Sanjay Gupta, explains a new study that finds babies learn in a surprising way. <script type='text/javascript' src='http://i.cdn.turner.com/cnn/van/resources/scripts/van-widgets.js'></script> <div data-cnnvansinglewidget data-affiliate='gantdaily' data-videoid='tv/2015/04/02/orig-how-babies-learn-study-sanjay-gupta.cnn' data-size='auto' data-autostart='true'></div>