Alice CallahanAlice Callahan holds a PhD in nutritional biology from the University of California, Davis, and spent two years investigating fetal physiology as a postdoctoral scholar. After giving birth to her first child in 2010, she put her scientific traning to work answering the big questions of caring for a baby. The creator of the blog Science of Mom: The Heart and Science of Parenting, she writes and teaches in Eugene, Oregon. Read More Read Less